20175343360

素因数分解:

$2^8\times 5^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{1117}}^1$

素因数の和:1378

約数の個数: 144

約数和(自身を含む): 49195613376

約数和(自身を除く): 29020270016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 103, 128, 137, 160, 206, 256, 274, 320, 412, 515, 548, 640, 685, 824, 1030, 1096, 1117, 1280, 1370, 1648, 2060, 2192, 2234, 2740, 3296, 4120, 4384, 4468, 5480, 5585, 6592, 8240, 8768, 8936, 10960, 11170, 13184, 14111, 16480, 17536, 17872, 21920, 22340, 26368, 28222, 32960, 35072, 35744, 43840, 44680, 56444, 65920, 70555, 71488, 87680, 89360, 112888, 115051, 131840, 141110, 142976, 153029, 175360, 178720, 225776, 230102, 282220, 285952, 306058, 357440, 451552, 460204, 564440, 575255, 612116, 714880, 765145, 903104, 920408, 1128880, 1150510, 1224232, 1429760, 1530290, 1806208, 1840816, 2257760, 2301020, 2448464, 3060580, 3612416, 3681632, 4515520, 4602040, 4896928, 6121160, 7363264, 9031040, 9204080, 9793856, 12242320, 14726528, 15761987, 18062080, 18408160, 19587712, 24484640, 29453056, 31523974, 36816320, 39175424, 48969280, 63047948, 73632640, 78809935, 97938560, 126095896, 147265280, 157619870, 195877120, 252191792, 315239740, 504383584, 630479480, 1008767168, 1260958960, 2017534336, 2521917920, 4035068672, 5043835840, 10087671680, 20175343360]

約数ペア:

[(1, 20175343360), (2, 10087671680), (4, 5043835840), (5, 4035068672), (8, 2521917920), (10, 2017534336), (16, 1260958960), (20, 1008767168), (32, 630479480), (40, 504383584), (64, 315239740), (80, 252191792), (103, 195877120), (128, 157619870), (137, 147265280), (160, 126095896), (206, 97938560), (256, 78809935), (274, 73632640), (320, 63047948), (412, 48969280), (515, 39175424), (548, 36816320), (640, 31523974), (685, 29453056), (824, 24484640), (1030, 19587712), (1096, 18408160), (1117, 18062080), (1280, 15761987), (1370, 14726528), (1648, 12242320), (2060, 9793856), (2192, 9204080), (2234, 9031040), (2740, 7363264), (3296, 6121160), (4120, 4896928), (4384, 4602040), (4468, 4515520), (5480, 3681632), (5585, 3612416), (6592, 3060580), (8240, 2448464), (8768, 2301020), (8936, 2257760), (10960, 1840816), (11170, 1806208), (13184, 1530290), (14111, 1429760), (16480, 1224232), (17536, 1150510), (17872, 1128880), (21920, 920408), (22340, 903104), (26368, 765145), (28222, 714880), (32960, 612116), (35072, 575255), (35744, 564440), (43840, 460204), (44680, 451552), (56444, 357440), (65920, 306058), (70555, 285952), (71488, 282220), (87680, 230102), (89360, 225776), (112888, 178720), (115051, 175360), (131840, 153029), (141110, 142976)]