99456440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{6263}}^1$

素因数の和:6671

約数の個数: 32

約数和(自身を含む): 224376480

約数和(自身を除く): 124920040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1985, 3176, 3970, 6263, 7940, 12526, 15880, 25052, 31315, 50104, 62630, 125260, 250520, 2486411, 4972822, 9945644, 12432055, 19891288, 24864110, 49728220, 99456440]

約数ペア:

[(1, 99456440), (2, 49728220), (4, 24864110), (5, 19891288), (8, 12432055), (10, 9945644), (20, 4972822), (40, 2486411), (397, 250520), (794, 125260), (1588, 62630), (1985, 50104), (3176, 31315), (3970, 25052), (6263, 15880), (7940, 12526)]