30663125

素因数分解:

$5^4\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:782

約数の個数: 20

約数和(自身を含む): 38912544

約数和(自身を除く): 8249419

約数列:

[1, 5, 25, 71, 125, 355, 625, 691, 1775, 3455, 8875, 17275, 44375, 49061, 86375, 245305, 431875, 1226525, 6132625, 30663125]

約数ペア:

[(1, 30663125), (5, 6132625), (25, 1226525), (71, 431875), (125, 245305), (355, 86375), (625, 49061), (691, 44375), (1775, 17275), (3455, 8875)]