157996760

素因数分解:

$2^3\times 5^1\times {\mathrm{3949919}}^1$

素因数の和:3949930

約数の個数: 16

約数和(自身を含む): 355492800

約数和(自身を除く): 197496040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3949919, 7899838, 15799676, 19749595, 31599352, 39499190, 78998380, 157996760]

約数ペア:

[(1, 157996760), (2, 78998380), (4, 39499190), (5, 31599352), (8, 19749595), (10, 15799676), (20, 7899838), (40, 3949919)]