86650120

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{8429}}^1$

素因数の和:8697

約数の個数: 32

約数和(自身を含む): 195744600

約数和(自身を除く): 109094480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 8429, 10280, 16858, 33716, 42145, 67432, 84290, 168580, 337160, 2166253, 4332506, 8665012, 10831265, 17330024, 21662530, 43325060, 86650120]

約数ペア:

[(1, 86650120), (2, 43325060), (4, 21662530), (5, 17330024), (8, 10831265), (10, 8665012), (20, 4332506), (40, 2166253), (257, 337160), (514, 168580), (1028, 84290), (1285, 67432), (2056, 42145), (2570, 33716), (5140, 16858), (8429, 10280)]