12499975

素因数分解:

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

素因数の和:295

約数の個数: 18

約数和(自身を含む): 16126944

約数和(自身を除く): 3626969

約数列:

[1, 5, 25, 31, 127, 155, 635, 775, 3175, 3937, 16129, 19685, 80645, 98425, 403225, 499999, 2499995, 12499975]

約数ペア:

[(1, 12499975), (5, 2499995), (25, 499999), (31, 403225), (127, 98425), (155, 80645), (635, 19685), (775, 16129), (3175, 3937)]