40256749360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{405487}}^1$

素因数の和:405590

約数の個数: 80

約数和(自身を含む): 100460462976

約数和(自身を除く): 60203713616

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 73, 80, 85, 136, 146, 170, 272, 292, 340, 365, 584, 680, 730, 1168, 1241, 1360, 1460, 2482, 2920, 4964, 5840, 6205, 9928, 12410, 19856, 24820, 49640, 99280, 405487, 810974, 1621948, 2027435, 3243896, 4054870, 6487792, 6893279, 8109740, 13786558, 16219480, 27573116, 29600551, 32438960, 34466395, 55146232, 59201102, 68932790, 110292464, 118402204, 137865580, 148002755, 236804408, 275731160, 296005510, 473608816, 503209367, 551462320, 592011020, 1006418734, 1184022040, 2012837468, 2368044080, 2516046835, 4025674936, 5032093670, 8051349872, 10064187340, 20128374680, 40256749360]

約数ペア:

[(1, 40256749360), (2, 20128374680), (4, 10064187340), (5, 8051349872), (8, 5032093670), (10, 4025674936), (16, 2516046835), (17, 2368044080), (20, 2012837468), (34, 1184022040), (40, 1006418734), (68, 592011020), (73, 551462320), (80, 503209367), (85, 473608816), (136, 296005510), (146, 275731160), (170, 236804408), (272, 148002755), (292, 137865580), (340, 118402204), (365, 110292464), (584, 68932790), (680, 59201102), (730, 55146232), (1168, 34466395), (1241, 32438960), (1360, 29600551), (1460, 27573116), (2482, 16219480), (2920, 13786558), (4964, 8109740), (5840, 6893279), (6205, 6487792), (9928, 4054870), (12410, 3243896), (19856, 2027435), (24820, 1621948), (49640, 810974), (99280, 405487)]