159917080

素因数分解:

$2^3\times 5^1\times {\mathrm{3997927}}^1$

素因数の和:3997938

約数の個数: 16

約数和(自身を含む): 359813520

約数和(自身を除く): 199896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3997927, 7995854, 15991708, 19989635, 31983416, 39979270, 79958540, 159917080]

約数ペア:

[(1, 159917080), (2, 79958540), (4, 39979270), (5, 31983416), (8, 19989635), (10, 15991708), (20, 7995854), (40, 3997927)]