85617980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{611557}}^1$

素因数の和:611573

約数の個数: 24

約数和(自身を含む): 205483488

約数和(自身を除く): 119865508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 611557, 1223114, 2446228, 3057785, 4280899, 6115570, 8561798, 12231140, 17123596, 21404495, 42808990, 85617980]

約数ペア:

[(1, 85617980), (2, 42808990), (4, 21404495), (5, 17123596), (7, 12231140), (10, 8561798), (14, 6115570), (20, 4280899), (28, 3057785), (35, 2446228), (70, 1223114), (140, 611557)]