70917640

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{24971}}^1$

素因数の和:25053

約数の個数: 32

約数和(自身を含む): 161818560

約数和(自身を除く): 90900920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 24971, 49942, 99884, 124855, 199768, 249710, 499420, 998840, 1772941, 3545882, 7091764, 8864705, 14183528, 17729410, 35458820, 70917640]

約数ペア:

[(1, 70917640), (2, 35458820), (4, 17729410), (5, 14183528), (8, 8864705), (10, 7091764), (20, 3545882), (40, 1772941), (71, 998840), (142, 499420), (284, 249710), (355, 199768), (568, 124855), (710, 99884), (1420, 49942), (2840, 24971)]