86636875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{10663}}^1$

素因数の和:10696

約数の個数: 20

約数和(自身を含む): 116600176

約数和(自身を除く): 29963301

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 8125, 10663, 53315, 138619, 266575, 693095, 1332875, 3465475, 6664375, 17327375, 86636875]

約数ペア:

[(1, 86636875), (5, 17327375), (13, 6664375), (25, 3465475), (65, 1332875), (125, 693095), (325, 266575), (625, 138619), (1625, 53315), (8125, 10663)]