198318125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{3823}}^1$

素因数の和:3926

約数の個数: 20

約数和(自身を含む): 250869696

約数和(自身を除く): 52551571

約数列:

[1, 5, 25, 83, 125, 415, 625, 2075, 3823, 10375, 19115, 51875, 95575, 317309, 477875, 1586545, 2389375, 7932725, 39663625, 198318125]

約数ペア:

[(1, 198318125), (5, 39663625), (25, 7932725), (83, 2389375), (125, 1586545), (415, 477875), (625, 317309), (2075, 95575), (3823, 51875), (10375, 19115)]