18110240

素因数分解:

$2^5\times 5^1\times {\mathrm{113189}}^1$

素因数の和:113204

約数の個数: 24

約数和(自身を含む): 42785820

約数和(自身を除く): 24675580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113189, 226378, 452756, 565945, 905512, 1131890, 1811024, 2263780, 3622048, 4527560, 9055120, 18110240]

約数ペア:

[(1, 18110240), (2, 9055120), (4, 4527560), (5, 3622048), (8, 2263780), (10, 1811024), (16, 1131890), (20, 905512), (32, 565945), (40, 452756), (80, 226378), (160, 113189)]