51556025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 67704000

約数和(自身を除く): 16147975

約数列:

[1, 5, 19, 25, 95, 311, 349, 475, 1555, 1745, 5909, 6631, 7775, 8725, 29545, 33155, 108539, 147725, 165775, 542695, 2062241, 2713475, 10311205, 51556025]

約数ペア:

[(1, 51556025), (5, 10311205), (19, 2713475), (25, 2062241), (95, 542695), (311, 165775), (349, 147725), (475, 108539), (1555, 33155), (1745, 29545), (5909, 8725), (6631, 7775)]