22456880

素因数分解:

$2^4\times 5^1\times {\mathrm{280711}}^1$

素因数の和:280724

約数の個数: 20

約数和(自身を含む): 52212432

約数和(自身を除く): 29755552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280711, 561422, 1122844, 1403555, 2245688, 2807110, 4491376, 5614220, 11228440, 22456880]

約数ペア:

[(1, 22456880), (2, 11228440), (4, 5614220), (5, 4491376), (8, 2807110), (10, 2245688), (16, 1403555), (20, 1122844), (40, 561422), (80, 280711)]