90010625

素因数分解:

$5^4\times {\mathrm{79}}^1\times {\mathrm{1823}}^1$

素因数の和:1922

約数の個数: 20

約数和(自身を含む): 113963520

約数和(自身を除く): 23952895

約数列:

[1, 5, 25, 79, 125, 395, 625, 1823, 1975, 9115, 9875, 45575, 49375, 144017, 227875, 720085, 1139375, 3600425, 18002125, 90010625]

約数ペア:

[(1, 90010625), (5, 18002125), (25, 3600425), (79, 1139375), (125, 720085), (395, 227875), (625, 144017), (1823, 49375), (1975, 45575), (9115, 9875)]