25440225

素因数分解:

$3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{2081}}^1$

素因数の和:2257

約数の個数: 24

約数和(自身を含む): 42339552

約数和(自身を除く): 16899327

約数列:

[1, 3, 5, 15, 25, 75, 163, 489, 815, 2081, 2445, 4075, 6243, 10405, 12225, 31215, 52025, 156075, 339203, 1017609, 1696015, 5088045, 8480075, 25440225]

約数ペア:

[(1, 25440225), (3, 8480075), (5, 5088045), (15, 1696015), (25, 1017609), (75, 339203), (163, 156075), (489, 52025), (815, 31215), (2081, 12225), (2445, 10405), (4075, 6243)]