9140080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2713

約数の個数: 40

約数和(自身を含む): 21753072

約数和(自身を除く): 12612992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2657, 3440, 5314, 10628, 13285, 21256, 26570, 42512, 53140, 106280, 114251, 212560, 228502, 457004, 571255, 914008, 1142510, 1828016, 2285020, 4570040, 9140080]

約数ペア:

[(1, 9140080), (2, 4570040), (4, 2285020), (5, 1828016), (8, 1142510), (10, 914008), (16, 571255), (20, 457004), (40, 228502), (43, 212560), (80, 114251), (86, 106280), (172, 53140), (215, 42512), (344, 26570), (430, 21256), (688, 13285), (860, 10628), (1720, 5314), (2657, 3440)]