12389800

素因数分解:

$2^3\times 5^2\times {\mathrm{61949}}^1$

素因数の和:61965

約数の個数: 24

約数和(自身を含む): 28806750

約数和(自身を除く): 16416950

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 61949, 123898, 247796, 309745, 495592, 619490, 1238980, 1548725, 2477960, 3097450, 6194900, 12389800]

約数ペア:

[(1, 12389800), (2, 6194900), (4, 3097450), (5, 2477960), (8, 1548725), (10, 1238980), (20, 619490), (25, 495592), (40, 309745), (50, 247796), (100, 123898), (200, 61949)]