7128560

素因数分解:

$2^4\times 5^1\times {\mathrm{89107}}^1$

素因数の和:89120

約数の個数: 20

約数和(自身を含む): 16574088

約数和(自身を除く): 9445528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89107, 178214, 356428, 445535, 712856, 891070, 1425712, 1782140, 3564280, 7128560]

約数ペア:

[(1, 7128560), (2, 3564280), (4, 1782140), (5, 1425712), (8, 891070), (10, 712856), (16, 445535), (20, 356428), (40, 178214), (80, 89107)]