1685753680

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1620917}}^1$

素因数の和:1620943

約数の個数: 40

約数和(自身を含む): 4220870472

約数和(自身を除く): 2535116792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1620917, 3241834, 6483668, 8104585, 12967336, 16209170, 21071921, 25934672, 32418340, 42143842, 64836680, 84287684, 105359605, 129673360, 168575368, 210719210, 337150736, 421438420, 842876840, 1685753680]

約数ペア:

[(1, 1685753680), (2, 842876840), (4, 421438420), (5, 337150736), (8, 210719210), (10, 168575368), (13, 129673360), (16, 105359605), (20, 84287684), (26, 64836680), (40, 42143842), (52, 32418340), (65, 25934672), (80, 21071921), (104, 16209170), (130, 12967336), (208, 8104585), (260, 6483668), (520, 3241834), (1040, 1620917)]