1266633680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1217917}}^1$

素因数の和:1217943

約数の個数: 40

約数和(自身を含む): 3171458472

約数和(自身を除く): 1904824792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1217917, 2435834, 4871668, 6089585, 9743336, 12179170, 15832921, 19486672, 24358340, 31665842, 48716680, 63331684, 79164605, 97433360, 126663368, 158329210, 253326736, 316658420, 633316840, 1266633680]

約数ペア:

[(1, 1266633680), (2, 633316840), (4, 316658420), (5, 253326736), (8, 158329210), (10, 126663368), (13, 97433360), (16, 79164605), (20, 63331684), (26, 48716680), (40, 31665842), (52, 24358340), (65, 19486672), (80, 15832921), (104, 12179170), (130, 9743336), (208, 6089585), (260, 4871668), (520, 2435834), (1040, 1217917)]