78869675

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 100008480

約数和(自身を除く): 21138805

約数列:

[1, 5, 25, 103, 109, 281, 515, 545, 1405, 2575, 2725, 7025, 11227, 28943, 30629, 56135, 144715, 153145, 280675, 723575, 765725, 3154787, 15773935, 78869675]

約数ペア:

[(1, 78869675), (5, 15773935), (25, 3154787), (103, 765725), (109, 723575), (281, 280675), (515, 153145), (545, 144715), (1405, 56135), (2575, 30629), (2725, 28943), (7025, 11227)]