80517725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{503}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 105618240

約数和(自身を除く): 25100515

約数列:

[1, 5, 19, 25, 95, 337, 475, 503, 1685, 2515, 6403, 8425, 9557, 12575, 32015, 47785, 160075, 169511, 238925, 847555, 3220709, 4237775, 16103545, 80517725]

約数ペア:

[(1, 80517725), (5, 16103545), (19, 4237775), (25, 3220709), (95, 847555), (337, 238925), (475, 169511), (503, 160075), (1685, 47785), (2515, 32015), (6403, 12575), (8425, 9557)]