25197985

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1217}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 31307472

約数和(自身を除く): 6109487

約数列:

[1, 5, 41, 101, 205, 505, 1217, 4141, 6085, 20705, 49897, 122917, 249485, 614585, 5039597, 25197985]

約数ペア:

[(1, 25197985), (5, 5039597), (41, 614585), (101, 249485), (205, 122917), (505, 49897), (1217, 20705), (4141, 6085)]