22443280

素因数分解:

$2^4\times 5^1\times {\mathrm{280541}}^1$

素因数の和:280554

約数の個数: 20

約数和(自身を含む): 52180812

約数和(自身を除く): 29737532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 280541, 561082, 1122164, 1402705, 2244328, 2805410, 4488656, 5610820, 11221640, 22443280]

約数ペア:

[(1, 22443280), (2, 11221640), (4, 5610820), (5, 4488656), (8, 2805410), (10, 2244328), (16, 1402705), (20, 1122164), (40, 561082), (80, 280541)]