15925625

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:410

約数の個数: 20

約数和(自身を含む): 20206032

約数和(自身を除く): 4280407

約数列:

[1, 5, 25, 83, 125, 307, 415, 625, 1535, 2075, 7675, 10375, 25481, 38375, 51875, 127405, 191875, 637025, 3185125, 15925625]

約数ペア:

[(1, 15925625), (5, 3185125), (25, 637025), (83, 191875), (125, 127405), (307, 51875), (415, 38375), (625, 25481), (1535, 10375), (2075, 7675)]