81134225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{947}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 105796800

約数和(自身を除く): 24662575

約数列:

[1, 5, 23, 25, 115, 149, 575, 745, 947, 3427, 3725, 4735, 17135, 21781, 23675, 85675, 108905, 141103, 544525, 705515, 3245369, 3527575, 16226845, 81134225]

約数ペア:

[(1, 81134225), (5, 16226845), (23, 3527575), (25, 3245369), (115, 705515), (149, 544525), (575, 141103), (745, 108905), (947, 85675), (3427, 23675), (3725, 21781), (4735, 17135)]