889017320

素因数分解:

$2^3\times 5^1\times {\mathrm{22225433}}^1$

素因数の和:22225444

約数の個数: 16

約数和(自身を含む): 2000289060

約数和(自身を除く): 1111271740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22225433, 44450866, 88901732, 111127165, 177803464, 222254330, 444508660, 889017320]

約数ペア:

[(1, 889017320), (2, 444508660), (4, 222254330), (5, 177803464), (8, 111127165), (10, 88901732), (20, 44450866), (40, 22225433)]