22443760

素因数分解:

$2^4\times 5^1\times {\mathrm{280547}}^1$

素因数の和:280560

約数の個数: 20

約数和(自身を含む): 52181928

約数和(自身を除く): 29738168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280547, 561094, 1122188, 1402735, 2244376, 2805470, 4488752, 5610940, 11221880, 22443760]

約数ペア:

[(1, 22443760), (2, 11221880), (4, 5610940), (5, 4488752), (8, 2805470), (10, 2244376), (16, 1402735), (20, 1122188), (40, 561094), (80, 280547)]