28480175

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:443

約数の個数: 24

約数和(自身を含む): 36909840

約数和(自身を除く): 8429665

約数列:

[1, 5, 25, 29, 145, 163, 241, 725, 815, 1205, 4075, 4727, 6025, 6989, 23635, 34945, 39283, 118175, 174725, 196415, 982075, 1139207, 5696035, 28480175]

約数ペア:

[(1, 28480175), (5, 5696035), (25, 1139207), (29, 982075), (145, 196415), (163, 174725), (241, 118175), (725, 39283), (815, 34945), (1205, 23635), (4075, 6989), (4727, 6025)]