80257250

素因数分解:

$2^1\times 5^3\times {\mathrm{251}}^1\times {\mathrm{1279}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 150958080

約数和(自身を除く): 70700830

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 251, 502, 1255, 1279, 2510, 2558, 6275, 6395, 12550, 12790, 31375, 31975, 62750, 63950, 159875, 319750, 321029, 642058, 1605145, 3210290, 8025725, 16051450, 40128625, 80257250]

約数ペア:

[(1, 80257250), (2, 40128625), (5, 16051450), (10, 8025725), (25, 3210290), (50, 1605145), (125, 642058), (250, 321029), (251, 319750), (502, 159875), (1255, 63950), (1279, 62750), (2510, 31975), (2558, 31375), (6275, 12790), (6395, 12550)]