28073680

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3407}}^1$

素因数の和:3523

約数の個数: 40

約数和(自身を含む): 65924352

約数和(自身を除く): 37850672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 3407, 4120, 6814, 8240, 13628, 17035, 27256, 34070, 54512, 68140, 136280, 272560, 350921, 701842, 1403684, 1754605, 2807368, 3509210, 5614736, 7018420, 14036840, 28073680]

約数ペア:

[(1, 28073680), (2, 14036840), (4, 7018420), (5, 5614736), (8, 3509210), (10, 2807368), (16, 1754605), (20, 1403684), (40, 701842), (80, 350921), (103, 272560), (206, 136280), (412, 68140), (515, 54512), (824, 34070), (1030, 27256), (1648, 17035), (2060, 13628), (3407, 8240), (4120, 6814)]