80797250

素因数分解:

$2^1\times 5^3\times {\mathrm{79}}^1\times {\mathrm{4091}}^1$

素因数の和:4187

約数の個数: 32

約数和(自身を含む): 153204480

約数和(自身を除く): 72407230

約数列:

[1, 2, 5, 10, 25, 50, 79, 125, 158, 250, 395, 790, 1975, 3950, 4091, 8182, 9875, 19750, 20455, 40910, 102275, 204550, 323189, 511375, 646378, 1022750, 1615945, 3231890, 8079725, 16159450, 40398625, 80797250]

約数ペア:

[(1, 80797250), (2, 40398625), (5, 16159450), (10, 8079725), (25, 3231890), (50, 1615945), (79, 1022750), (125, 646378), (158, 511375), (250, 323189), (395, 204550), (790, 102275), (1975, 40910), (3950, 20455), (4091, 19750), (8182, 9875)]