87521275

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1979}}^1$

素因数の和:2079

約数の個数: 24

約数和(自身を含む): 114166800

約数和(自身を除く): 26645525

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 1979, 8845, 9895, 44225, 49475, 57391, 120719, 286955, 603595, 1434775, 3017975, 3500851, 17504255, 87521275]

約数ペア:

[(1, 87521275), (5, 17504255), (25, 3500851), (29, 3017975), (61, 1434775), (145, 603595), (305, 286955), (725, 120719), (1525, 57391), (1769, 49475), (1979, 44225), (8845, 9895)]