68561060

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{21031}}^1$

素因数の和:21203

約数の個数: 24

約数和(自身を含む): 144868416

約数和(自身を除く): 76307356

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 21031, 42062, 84124, 105155, 210310, 420620, 3428053, 6856106, 13712212, 17140265, 34280530, 68561060]

約数ペア:

[(1, 68561060), (2, 34280530), (4, 17140265), (5, 13712212), (10, 6856106), (20, 3428053), (163, 420620), (326, 210310), (652, 105155), (815, 84124), (1630, 42062), (3260, 21031)]