87221725

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{49139}}^1$

素因数の和:49220

約数の個数: 12

約数和(自身を含む): 109680480

約数和(自身を除く): 22458755

約数列:

[1, 5, 25, 71, 355, 1775, 49139, 245695, 1228475, 3488869, 17444345, 87221725]

約数ペア:

[(1, 87221725), (5, 17444345), (25, 3488869), (71, 1228475), (355, 245695), (1775, 49139)]