8618480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8313

約数の個数: 40

約数和(自身を含む): 21581952

約数和(自身を除く): 12963472

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 8287, 16574, 33148, 41435, 66296, 82870, 107731, 132592, 165740, 215462, 331480, 430924, 538655, 662960, 861848, 1077310, 1723696, 2154620, 4309240, 8618480]

約数ペア:

[(1, 8618480), (2, 4309240), (4, 2154620), (5, 1723696), (8, 1077310), (10, 861848), (13, 662960), (16, 538655), (20, 430924), (26, 331480), (40, 215462), (52, 165740), (65, 132592), (80, 107731), (104, 82870), (130, 66296), (208, 41435), (260, 33148), (520, 16574), (1040, 8287)]