3986020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4861}}^1$

素因数の和:4911

約数の個数: 24

約数和(自身を含む): 8576568

約数和(自身を除く): 4590548

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4861, 9722, 19444, 24305, 48610, 97220, 199301, 398602, 797204, 996505, 1993010, 3986020]

約数ペア:

[(1, 3986020), (2, 1993010), (4, 996505), (5, 797204), (10, 398602), (20, 199301), (41, 97220), (82, 48610), (164, 24305), (205, 19444), (410, 9722), (820, 4861)]