69942280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{8287}}^1$

素因数の和:8509

約数の個数: 32

約数和(自身を含む): 158135040

約数和(自身を除く): 88192760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1055, 1688, 2110, 4220, 8287, 8440, 16574, 33148, 41435, 66296, 82870, 165740, 331480, 1748557, 3497114, 6994228, 8742785, 13988456, 17485570, 34971140, 69942280]

約数ペア:

[(1, 69942280), (2, 34971140), (4, 17485570), (5, 13988456), (8, 8742785), (10, 6994228), (20, 3497114), (40, 1748557), (211, 331480), (422, 165740), (844, 82870), (1055, 66296), (1688, 41435), (2110, 33148), (4220, 16574), (8287, 8440)]