71378620

素因数分解:

$2^2\times 5^1\times {\mathrm{881}}^1\times {\mathrm{4051}}^1$

素因数の和:4941

約数の個数: 24

約数和(自身を含む): 150102288

約数和(自身を除く): 78723668

約数列:

[1, 2, 4, 5, 10, 20, 881, 1762, 3524, 4051, 4405, 8102, 8810, 16204, 17620, 20255, 40510, 81020, 3568931, 7137862, 14275724, 17844655, 35689310, 71378620]

約数ペア:

[(1, 71378620), (2, 35689310), (4, 17844655), (5, 14275724), (10, 7137862), (20, 3568931), (881, 81020), (1762, 40510), (3524, 20255), (4051, 17620), (4405, 16204), (8102, 8810)]