22456240

素因数分解:

$2^4\times 5^1\times {\mathrm{280703}}^1$

素因数の和:280716

約数の個数: 20

約数和(自身を含む): 52210944

約数和(自身を除く): 29754704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280703, 561406, 1122812, 1403515, 2245624, 2807030, 4491248, 5614060, 11228120, 22456240]

約数ペア:

[(1, 22456240), (2, 11228120), (4, 5614060), (5, 4491248), (8, 2807030), (10, 2245624), (16, 1403515), (20, 1122812), (40, 561406), (80, 280703)]