20101948160

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{4057}}^1$

素因数の和:4171

約数の個数: 216

約数和(自身を含む): 56734735680

約数和(自身を除く): 36632787520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 256, 280, 316, 320, 392, 395, 448, 490, 553, 560, 632, 640, 784, 790, 896, 980, 1106, 1120, 1264, 1280, 1568, 1580, 1792, 1960, 2212, 2240, 2528, 2765, 3136, 3160, 3871, 3920, 4057, 4424, 4480, 5056, 5530, 6272, 6320, 7742, 7840, 8114, 8848, 8960, 10112, 11060, 12544, 12640, 15484, 15680, 16228, 17696, 19355, 20224, 20285, 22120, 25280, 28399, 30968, 31360, 32456, 35392, 38710, 40570, 44240, 50560, 56798, 61936, 62720, 64912, 70784, 77420, 81140, 88480, 101120, 113596, 123872, 129824, 141568, 141995, 154840, 162280, 176960, 198793, 227192, 247744, 259648, 283990, 309680, 320503, 324560, 353920, 397586, 454384, 495488, 519296, 567980, 619360, 641006, 649120, 707840, 795172, 908768, 990976, 993965, 1038592, 1135960, 1238720, 1282012, 1298240, 1590344, 1602515, 1817536, 1987930, 2243521, 2271920, 2477440, 2564024, 2596480, 3180688, 3205030, 3635072, 3975860, 4487042, 4543840, 4954880, 5128048, 5192960, 6361376, 6410060, 7270144, 7951720, 8974084, 9087680, 10256096, 11217605, 12722752, 12820120, 15704647, 15903440, 17948168, 18175360, 20512192, 22435210, 25445504, 25640240, 31409294, 31806880, 35896336, 36350720, 41024384, 44870420, 50891008, 51280480, 62818588, 63613760, 71792672, 78523235, 82048768, 89740840, 102560960, 125637176, 127227520, 143585344, 157046470, 179481680, 205121920, 251274352, 254455040, 287170688, 314092940, 358963360, 410243840, 502548704, 574341376, 628185880, 717926720, 1005097408, 1256371760, 1435853440, 2010194816, 2512743520, 2871706880, 4020389632, 5025487040, 10050974080, 20101948160]

約数ペア:

[(1, 20101948160), (2, 10050974080), (4, 5025487040), (5, 4020389632), (7, 2871706880), (8, 2512743520), (10, 2010194816), (14, 1435853440), (16, 1256371760), (20, 1005097408), (28, 717926720), (32, 628185880), (35, 574341376), (40, 502548704), (49, 410243840), (56, 358963360), (64, 314092940), (70, 287170688), (79, 254455040), (80, 251274352), (98, 205121920), (112, 179481680), (128, 157046470), (140, 143585344), (158, 127227520), (160, 125637176), (196, 102560960), (224, 89740840), (245, 82048768), (256, 78523235), (280, 71792672), (316, 63613760), (320, 62818588), (392, 51280480), (395, 50891008), (448, 44870420), (490, 41024384), (553, 36350720), (560, 35896336), (632, 31806880), (640, 31409294), (784, 25640240), (790, 25445504), (896, 22435210), (980, 20512192), (1106, 18175360), (1120, 17948168), (1264, 15903440), (1280, 15704647), (1568, 12820120), (1580, 12722752), (1792, 11217605), (1960, 10256096), (2212, 9087680), (2240, 8974084), (2528, 7951720), (2765, 7270144), (3136, 6410060), (3160, 6361376), (3871, 5192960), (3920, 5128048), (4057, 4954880), (4424, 4543840), (4480, 4487042), (5056, 3975860), (5530, 3635072), (6272, 3205030), (6320, 3180688), (7742, 2596480), (7840, 2564024), (8114, 2477440), (8848, 2271920), (8960, 2243521), (10112, 1987930), (11060, 1817536), (12544, 1602515), (12640, 1590344), (15484, 1298240), (15680, 1282012), (16228, 1238720), (17696, 1135960), (19355, 1038592), (20224, 993965), (20285, 990976), (22120, 908768), (25280, 795172), (28399, 707840), (30968, 649120), (31360, 641006), (32456, 619360), (35392, 567980), (38710, 519296), (40570, 495488), (44240, 454384), (50560, 397586), (56798, 353920), (61936, 324560), (62720, 320503), (64912, 309680), (70784, 283990), (77420, 259648), (81140, 247744), (88480, 227192), (101120, 198793), (113596, 176960), (123872, 162280), (129824, 154840), (141568, 141995)]