158804080

素因数分解:

$2^4\times 5^1\times {\mathrm{1985051}}^1$

素因数の和:1985064

約数の個数: 20

約数和(自身を含む): 369219672

約数和(自身を除く): 210415592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1985051, 3970102, 7940204, 9925255, 15880408, 19850510, 31760816, 39701020, 79402040, 158804080]

約数ペア:

[(1, 158804080), (2, 79402040), (4, 39701020), (5, 31760816), (8, 19850510), (10, 15880408), (16, 9925255), (20, 7940204), (40, 3970102), (80, 1985051)]