31988060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{123031}}^1$

素因数の和:123053

約数の個数: 24

約数和(自身を含む): 72342816

約数和(自身を除く): 40354756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 123031, 246062, 492124, 615155, 1230310, 1599403, 2460620, 3198806, 6397612, 7997015, 15994030, 31988060]

約数ペア:

[(1, 31988060), (2, 15994030), (4, 7997015), (5, 6397612), (10, 3198806), (13, 2460620), (20, 1599403), (26, 1230310), (52, 615155), (65, 492124), (130, 246062), (260, 123031)]