17422480

素因数分解:

$2^4\times 5^1\times {\mathrm{217781}}^1$

素因数の和:217794

約数の個数: 20

約数和(自身を含む): 40507452

約数和(自身を除く): 23084972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 217781, 435562, 871124, 1088905, 1742248, 2177810, 3484496, 4355620, 8711240, 17422480]

約数ペア:

[(1, 17422480), (2, 8711240), (4, 4355620), (5, 3484496), (8, 2177810), (10, 1742248), (16, 1088905), (20, 871124), (40, 435562), (80, 217781)]