220131875

素因数分解:

$5^4\times {\mathrm{569}}^1\times {\mathrm{619}}^1$

素因数の和:1208

約数の個数: 20

約数和(自身を含む): 276005400

約数和(自身を除く): 55873525

約数列:

[1, 5, 25, 125, 569, 619, 625, 2845, 3095, 14225, 15475, 71125, 77375, 352211, 355625, 386875, 1761055, 8805275, 44026375, 220131875]

約数ペア:

[(1, 220131875), (5, 44026375), (25, 8805275), (125, 1761055), (569, 386875), (619, 355625), (625, 352211), (2845, 77375), (3095, 71125), (14225, 15475)]