11951875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1504

約数の個数: 20

約数和(自身を含む): 16094848

約数和(自身を除く): 4142973

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1471, 1625, 7355, 8125, 19123, 36775, 95615, 183875, 478075, 919375, 2390375, 11951875]

約数ペア:

[(1, 11951875), (5, 2390375), (13, 919375), (25, 478075), (65, 183875), (125, 95615), (325, 36775), (625, 19123), (1471, 8125), (1625, 7355)]