18408080

素因数分解:

$2^4\times 5^1\times {\mathrm{230101}}^1$

素因数の和:230114

約数の個数: 20

約数和(自身を含む): 42798972

約数和(自身を除く): 24390892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230101, 460202, 920404, 1150505, 1840808, 2301010, 3681616, 4602020, 9204040, 18408080]

約数ペア:

[(1, 18408080), (2, 9204040), (4, 4602020), (5, 3681616), (8, 2301010), (10, 1840808), (16, 1150505), (20, 920404), (40, 460202), (80, 230101)]