81792080

素因数分解:

$2^4\times 5^1\times {\mathrm{857}}^1\times {\mathrm{1193}}^1$

素因数の和:2063

約数の個数: 40

約数和(自身を含む): 190548072

約数和(自身を除く): 108755992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 857, 1193, 1714, 2386, 3428, 4285, 4772, 5965, 6856, 8570, 9544, 11930, 13712, 17140, 19088, 23860, 34280, 47720, 68560, 95440, 1022401, 2044802, 4089604, 5112005, 8179208, 10224010, 16358416, 20448020, 40896040, 81792080]

約数ペア:

[(1, 81792080), (2, 40896040), (4, 20448020), (5, 16358416), (8, 10224010), (10, 8179208), (16, 5112005), (20, 4089604), (40, 2044802), (80, 1022401), (857, 95440), (1193, 68560), (1714, 47720), (2386, 34280), (3428, 23860), (4285, 19088), (4772, 17140), (5965, 13712), (6856, 11930), (8570, 9544)]