87474040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50857}}^1$

素因数の和:50911

約数の個数: 32

約数和(自身を含む): 201397680

約数和(自身を除く): 113923640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 50857, 101714, 203428, 254285, 406856, 508570, 1017140, 2034280, 2186851, 4373702, 8747404, 10934255, 17494808, 21868510, 43737020, 87474040]

約数ペア:

[(1, 87474040), (2, 43737020), (4, 21868510), (5, 17494808), (8, 10934255), (10, 8747404), (20, 4373702), (40, 2186851), (43, 2034280), (86, 1017140), (172, 508570), (215, 406856), (344, 254285), (430, 203428), (860, 101714), (1720, 50857)]