8409080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4889}}^1$

素因数の和:4943

約数の個数: 32

約数和(自身を含む): 19364400

約数和(自身を除く): 10955320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 4889, 9778, 19556, 24445, 39112, 48890, 97780, 195560, 210227, 420454, 840908, 1051135, 1681816, 2102270, 4204540, 8409080]

約数ペア:

[(1, 8409080), (2, 4204540), (4, 2102270), (5, 1681816), (8, 1051135), (10, 840908), (20, 420454), (40, 210227), (43, 195560), (86, 97780), (172, 48890), (215, 39112), (344, 24445), (430, 19556), (860, 9778), (1720, 4889)]