15705625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1966

約数の個数: 20

約数和(自身を含む): 21146356

約数和(自身を除く): 5440731

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 1933, 8125, 9665, 25129, 48325, 125645, 241625, 628225, 1208125, 3141125, 15705625]

約数ペア:

[(1, 15705625), (5, 3141125), (13, 1208125), (25, 628225), (65, 241625), (125, 125645), (325, 48325), (625, 25129), (1625, 9665), (1933, 8125)]