49536640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:222

約数の個数: 128

約数和(自身を含む): 130539600

約数和(自身を除く): 81002960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 64, 68, 80, 85, 116, 128, 136, 145, 157, 160, 170, 232, 272, 290, 314, 320, 340, 464, 493, 544, 580, 628, 640, 680, 785, 928, 986, 1088, 1160, 1256, 1360, 1570, 1856, 1972, 2176, 2320, 2465, 2512, 2669, 2720, 3140, 3712, 3944, 4553, 4640, 4930, 5024, 5338, 5440, 6280, 7888, 9106, 9280, 9860, 10048, 10676, 10880, 12560, 13345, 15776, 18212, 18560, 19720, 20096, 21352, 22765, 25120, 26690, 31552, 36424, 39440, 42704, 45530, 50240, 53380, 63104, 72848, 77401, 78880, 85408, 91060, 100480, 106760, 145696, 154802, 157760, 170816, 182120, 213520, 291392, 309604, 315520, 341632, 364240, 387005, 427040, 582784, 619208, 728480, 774010, 854080, 1238416, 1456960, 1548020, 1708160, 2476832, 2913920, 3096040, 4953664, 6192080, 9907328, 12384160, 24768320, 49536640]

約数ペア:

[(1, 49536640), (2, 24768320), (4, 12384160), (5, 9907328), (8, 6192080), (10, 4953664), (16, 3096040), (17, 2913920), (20, 2476832), (29, 1708160), (32, 1548020), (34, 1456960), (40, 1238416), (58, 854080), (64, 774010), (68, 728480), (80, 619208), (85, 582784), (116, 427040), (128, 387005), (136, 364240), (145, 341632), (157, 315520), (160, 309604), (170, 291392), (232, 213520), (272, 182120), (290, 170816), (314, 157760), (320, 154802), (340, 145696), (464, 106760), (493, 100480), (544, 91060), (580, 85408), (628, 78880), (640, 77401), (680, 72848), (785, 63104), (928, 53380), (986, 50240), (1088, 45530), (1160, 42704), (1256, 39440), (1360, 36424), (1570, 31552), (1856, 26690), (1972, 25120), (2176, 22765), (2320, 21352), (2465, 20096), (2512, 19720), (2669, 18560), (2720, 18212), (3140, 15776), (3712, 13345), (3944, 12560), (4553, 10880), (4640, 10676), (4930, 10048), (5024, 9860), (5338, 9280), (5440, 9106), (6280, 7888)]