257055625

素因数分解:

$5^4\times {\mathrm{59}}^1\times {\mathrm{6971}}^1$

素因数の和:7050

約数の個数: 20

約数和(自身を含む): 326707920

約数和(自身を除く): 69652295

約数列:

[1, 5, 25, 59, 125, 295, 625, 1475, 6971, 7375, 34855, 36875, 174275, 411289, 871375, 2056445, 4356875, 10282225, 51411125, 257055625]

約数ペア:

[(1, 257055625), (5, 51411125), (25, 10282225), (59, 4356875), (125, 2056445), (295, 871375), (625, 411289), (1475, 174275), (6971, 36875), (7375, 34855)]