15718820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60457}}^1$

素因数の和:60479

約数の個数: 24

約数和(自身を含む): 35549304

約数和(自身を除く): 19830484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 60457, 120914, 241828, 302285, 604570, 785941, 1209140, 1571882, 3143764, 3929705, 7859410, 15718820]

約数ペア:

[(1, 15718820), (2, 7859410), (4, 3929705), (5, 3143764), (10, 1571882), (13, 1209140), (20, 785941), (26, 604570), (52, 302285), (65, 241828), (130, 120914), (260, 60457)]