4955920

素因数分解:

$2^4\times 5^1\times {\mathrm{61949}}^1$

素因数の和:61962

約数の個数: 20

約数和(自身を含む): 11522700

約数和(自身を除く): 6566780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 61949, 123898, 247796, 309745, 495592, 619490, 991184, 1238980, 2477960, 4955920]

約数ペア:

[(1, 4955920), (2, 2477960), (4, 1238980), (5, 991184), (8, 619490), (10, 495592), (16, 309745), (20, 247796), (40, 123898), (80, 61949)]