22142440

素因数分解:

$2^3\times 5^1\times {\mathrm{553561}}^1$

素因数の和:553572

約数の個数: 16

約数和(自身を含む): 49820580

約数和(自身を除く): 27678140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 553561, 1107122, 2214244, 2767805, 4428488, 5535610, 11071220, 22142440]

約数ペア:

[(1, 22142440), (2, 11071220), (4, 5535610), (5, 4428488), (8, 2767805), (10, 2214244), (20, 1107122), (40, 553561)]