1900520075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{20641}}^1$

素因数の和:20807

約数の個数: 24

約数和(自身を含む): 2457223680

約数和(自身を除く): 556703605

約数列:

[1, 5, 25, 29, 127, 145, 635, 725, 3175, 3683, 18415, 20641, 92075, 103205, 516025, 598589, 2621407, 2992945, 13107035, 14964725, 65535175, 76020803, 380104015, 1900520075]

約数ペア:

[(1, 1900520075), (5, 380104015), (25, 76020803), (29, 65535175), (127, 14964725), (145, 13107035), (635, 2992945), (725, 2621407), (3175, 598589), (3683, 516025), (18415, 103205), (20641, 92075)]