17940776720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5469749}}^1$

素因数の和:5469803

約数の個数: 40

約数和(自身を含む): 42729687000

約数和(自身を除く): 24788910280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 5469749, 10939498, 21878996, 27348745, 43757992, 54697490, 87515984, 109394980, 218789960, 224259709, 437579920, 448519418, 897038836, 1121298545, 1794077672, 2242597090, 3588155344, 4485194180, 8970388360, 17940776720]

約数ペア:

[(1, 17940776720), (2, 8970388360), (4, 4485194180), (5, 3588155344), (8, 2242597090), (10, 1794077672), (16, 1121298545), (20, 897038836), (40, 448519418), (41, 437579920), (80, 224259709), (82, 218789960), (164, 109394980), (205, 87515984), (328, 54697490), (410, 43757992), (656, 27348745), (820, 21878996), (1640, 10939498), (3280, 5469749)]