31580140

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10457}}^1$

素因数の和:10617

約数の個数: 24

約数和(自身を含む): 66763872

約数和(自身を除く): 35183732

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 10457, 20914, 41828, 52285, 104570, 209140, 1579007, 3158014, 6316028, 7895035, 15790070, 31580140]

約数ペア:

[(1, 31580140), (2, 15790070), (4, 7895035), (5, 6316028), (10, 3158014), (20, 1579007), (151, 209140), (302, 104570), (604, 52285), (755, 41828), (1510, 20914), (3020, 10457)]