25885775

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 33521664

約数和(自身を除く): 7635889

約数列:

[1, 5, 25, 31, 127, 155, 263, 635, 775, 1315, 3175, 3937, 6575, 8153, 19685, 33401, 40765, 98425, 167005, 203825, 835025, 1035431, 5177155, 25885775]

約数ペア:

[(1, 25885775), (5, 5177155), (25, 1035431), (31, 835025), (127, 203825), (155, 167005), (263, 98425), (635, 40765), (775, 33401), (1315, 19685), (3175, 8153), (3937, 6575)]