1812080

素因数分解:

$2^4\times 5^1\times {\mathrm{22651}}^1$

素因数の和:22664

約数の個数: 20

約数和(自身を含む): 4213272

約数和(自身を除く): 2401192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 22651, 45302, 90604, 113255, 181208, 226510, 362416, 453020, 906040, 1812080]

約数ペア:

[(1, 1812080), (2, 906040), (4, 453020), (5, 362416), (8, 226510), (10, 181208), (16, 113255), (20, 90604), (40, 45302), (80, 22651)]