2057225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 2767680

約数和(自身を除く): 710455

約数列:

[1, 5, 19, 25, 61, 71, 95, 305, 355, 475, 1159, 1349, 1525, 1775, 4331, 5795, 6745, 21655, 28975, 33725, 82289, 108275, 411445, 2057225]

約数ペア:

[(1, 2057225), (5, 411445), (19, 108275), (25, 82289), (61, 33725), (71, 28975), (95, 21655), (305, 6745), (355, 5795), (475, 4331), (1159, 1775), (1349, 1525)]