70735880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24907}}^1$

素因数の和:24989

約数の個数: 32

約数和(自身を含む): 161403840

約数和(自身を除く): 90667960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24907, 49814, 99628, 124535, 199256, 249070, 498140, 996280, 1768397, 3536794, 7073588, 8841985, 14147176, 17683970, 35367940, 70735880]

約数ペア:

[(1, 70735880), (2, 35367940), (4, 17683970), (5, 14147176), (8, 8841985), (10, 7073588), (20, 3536794), (40, 1768397), (71, 996280), (142, 498140), (284, 249070), (355, 199256), (568, 124535), (710, 99628), (1420, 49814), (2840, 24907)]