120818125

素因数分解:

$5^4\times {\mathrm{61}}^1\times {\mathrm{3169}}^1$

素因数の和:3250

約数の個数: 20

約数和(自身を含む): 153497740

約数和(自身を除く): 32679615

約数列:

[1, 5, 25, 61, 125, 305, 625, 1525, 3169, 7625, 15845, 38125, 79225, 193309, 396125, 966545, 1980625, 4832725, 24163625, 120818125]

約数ペア:

[(1, 120818125), (5, 24163625), (25, 4832725), (61, 1980625), (125, 966545), (305, 396125), (625, 193309), (1525, 79225), (3169, 38125), (7625, 15845)]