68639510

素因数分解:

$2^1\times 5^1\times {\mathrm{2131}}^1\times {\mathrm{3221}}^1$

素因数の和:5359

約数の個数: 16

約数和(自身を含む): 123647472

約数和(自身を除く): 55007962

約数列:

[1, 2, 5, 10, 2131, 3221, 4262, 6442, 10655, 16105, 21310, 32210, 6863951, 13727902, 34319755, 68639510]

約数ペア:

[(1, 68639510), (2, 34319755), (5, 13727902), (10, 6863951), (2131, 32210), (3221, 21310), (4262, 16105), (6442, 10655)]