79410820

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{7621}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 167104728

約数和(自身を除く): 87693908

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 2084, 2605, 5210, 7621, 10420, 15242, 30484, 38105, 76210, 152420, 3970541, 7941082, 15882164, 19852705, 39705410, 79410820]

約数ペア:

[(1, 79410820), (2, 39705410), (4, 19852705), (5, 15882164), (10, 7941082), (20, 3970541), (521, 152420), (1042, 76210), (2084, 38105), (2605, 30484), (5210, 15242), (7621, 10420)]