89682040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{320293}}^1$

素因数の和:320311

約数の個数: 32

約数和(自身を含む): 230611680

約数和(自身を除く): 140929640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 320293, 640586, 1281172, 1601465, 2242051, 2562344, 3202930, 4484102, 6405860, 8968204, 11210255, 12811720, 17936408, 22420510, 44841020, 89682040]

約数ペア:

[(1, 89682040), (2, 44841020), (4, 22420510), (5, 17936408), (7, 12811720), (8, 11210255), (10, 8968204), (14, 6405860), (20, 4484102), (28, 3202930), (35, 2562344), (40, 2242051), (56, 1601465), (70, 1281172), (140, 640586), (280, 320293)]