70980920

素因数分解:

$2^3\times 5^1\times {\mathrm{1774523}}^1$

素因数の和:1774534

約数の個数: 16

約数和(自身を含む): 159707160

約数和(自身を除く): 88726240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1774523, 3549046, 7098092, 8872615, 14196184, 17745230, 35490460, 70980920]

約数ペア:

[(1, 70980920), (2, 35490460), (4, 17745230), (5, 14196184), (8, 8872615), (10, 7098092), (20, 3549046), (40, 1774523)]