25118225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 34209120

約数和(自身を除く): 9090895

約数列:

[1, 5, 11, 25, 55, 241, 275, 379, 1205, 1895, 2651, 4169, 6025, 9475, 13255, 20845, 66275, 91339, 104225, 456695, 1004729, 2283475, 5023645, 25118225]

約数ペア:

[(1, 25118225), (5, 5023645), (11, 2283475), (25, 1004729), (55, 456695), (241, 104225), (275, 91339), (379, 66275), (1205, 20845), (1895, 13255), (2651, 9475), (4169, 6025)]