4073680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3917}}^1$

素因数の和:3943

約数の個数: 40

約数和(自身を含む): 10202472

約数和(自身を除く): 6128792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3917, 7834, 15668, 19585, 31336, 39170, 50921, 62672, 78340, 101842, 156680, 203684, 254605, 313360, 407368, 509210, 814736, 1018420, 2036840, 4073680]

約数ペア:

[(1, 4073680), (2, 2036840), (4, 1018420), (5, 814736), (8, 509210), (10, 407368), (13, 313360), (16, 254605), (20, 203684), (26, 156680), (40, 101842), (52, 78340), (65, 62672), (80, 50921), (104, 39170), (130, 31336), (208, 19585), (260, 15668), (520, 7834), (1040, 3917)]