201888125

素因数分解:

$5^4\times {\mathrm{227}}^1\times {\mathrm{1423}}^1$

素因数の和:1670

約数の個数: 20

約数和(自身を含む): 253568832

約数和(自身を除く): 51680707

約数列:

[1, 5, 25, 125, 227, 625, 1135, 1423, 5675, 7115, 28375, 35575, 141875, 177875, 323021, 889375, 1615105, 8075525, 40377625, 201888125]

約数ペア:

[(1, 201888125), (5, 40377625), (25, 8075525), (125, 1615105), (227, 889375), (625, 323021), (1135, 177875), (1423, 141875), (5675, 35575), (7115, 28375)]