87717020

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{7681}}^1$

素因数の和:8261

約数の個数: 24

約数和(自身を含む): 184552368

約数和(自身を除く): 96835348

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 7681, 11420, 15362, 30724, 38405, 76810, 153620, 4385851, 8771702, 17543404, 21929255, 43858510, 87717020]

約数ペア:

[(1, 87717020), (2, 43858510), (4, 21929255), (5, 17543404), (10, 8771702), (20, 4385851), (571, 153620), (1142, 76810), (2284, 38405), (2855, 30724), (5710, 15362), (7681, 11420)]