71231740

素因数分解:

$2^2\times 5^1\times {\mathrm{1103}}^1\times {\mathrm{3229}}^1$

素因数の和:4341

約数の個数: 24

約数和(自身を含む): 149768640

約数和(自身を除く): 78536900

約数列:

[1, 2, 4, 5, 10, 20, 1103, 2206, 3229, 4412, 5515, 6458, 11030, 12916, 16145, 22060, 32290, 64580, 3561587, 7123174, 14246348, 17807935, 35615870, 71231740]

約数ペア:

[(1, 71231740), (2, 35615870), (4, 17807935), (5, 14246348), (10, 7123174), (20, 3561587), (1103, 64580), (2206, 32290), (3229, 22060), (4412, 16145), (5515, 12916), (6458, 11030)]