28478125

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{701}}^1$

素因数の和:739

約数の個数: 24

約数和(自身を含む): 38388168

約数和(自身を除く): 9910043

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 701, 1625, 3125, 3505, 8125, 9113, 17525, 40625, 45565, 87625, 227825, 438125, 1139125, 2190625, 5695625, 28478125]

約数ペア:

[(1, 28478125), (5, 5695625), (13, 2190625), (25, 1139125), (65, 438125), (125, 227825), (325, 87625), (625, 45565), (701, 40625), (1625, 17525), (3125, 9113), (3505, 8125)]