1608080

素因数分解:

$2^4\times 5^1\times {\mathrm{20101}}^1$

素因数の和:20114

約数の個数: 20

約数和(自身を含む): 3738972

約数和(自身を除く): 2130892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20101, 40202, 80404, 100505, 160808, 201010, 321616, 402020, 804040, 1608080]

約数ペア:

[(1, 1608080), (2, 804040), (4, 402020), (5, 321616), (8, 201010), (10, 160808), (16, 100505), (20, 80404), (40, 40202), (80, 20101)]