80857000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{11551}}^1$

素因数の和:11579

約数の個数: 64

約数和(自身を含む): 216253440

約数和(自身を除く): 135396440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 3500, 7000, 11551, 23102, 46204, 57755, 80857, 92408, 115510, 161714, 231020, 288775, 323428, 404285, 462040, 577550, 646856, 808570, 1155100, 1443875, 1617140, 2021425, 2310200, 2887750, 3234280, 4042850, 5775500, 8085700, 10107125, 11551000, 16171400, 20214250, 40428500, 80857000]

約数ペア:

[(1, 80857000), (2, 40428500), (4, 20214250), (5, 16171400), (7, 11551000), (8, 10107125), (10, 8085700), (14, 5775500), (20, 4042850), (25, 3234280), (28, 2887750), (35, 2310200), (40, 2021425), (50, 1617140), (56, 1443875), (70, 1155100), (100, 808570), (125, 646856), (140, 577550), (175, 462040), (200, 404285), (250, 323428), (280, 288775), (350, 231020), (500, 161714), (700, 115510), (875, 92408), (1000, 80857), (1400, 57755), (1750, 46204), (3500, 23102), (7000, 11551)]