15445625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{1901}}^1$

素因数の和:1934

約数の個数: 20

約数和(自身を含む): 20796468

約数和(自身を除く): 5350843

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 1901, 8125, 9505, 24713, 47525, 123565, 237625, 617825, 1188125, 3089125, 15445625]

約数ペア:

[(1, 15445625), (5, 3089125), (13, 1188125), (25, 617825), (65, 237625), (125, 123565), (325, 47525), (625, 24713), (1625, 9505), (1901, 8125)]