68380220

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{12343}}^1$

素因数の和:12629

約数の個数: 24

約数和(自身を含む): 144128544

約数和(自身を除く): 75748324

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 1108, 1385, 2770, 5540, 12343, 24686, 49372, 61715, 123430, 246860, 3419011, 6838022, 13676044, 17095055, 34190110, 68380220]

約数ペア:

[(1, 68380220), (2, 34190110), (4, 17095055), (5, 13676044), (10, 6838022), (20, 3419011), (277, 246860), (554, 123430), (1108, 61715), (1385, 49372), (2770, 24686), (5540, 12343)]