85412020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{104161}}^1$

素因数の和:104211

約数の個数: 24

約数和(自身を含む): 183741768

約数和(自身を除く): 98329748

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 104161, 208322, 416644, 520805, 1041610, 2083220, 4270601, 8541202, 17082404, 21353005, 42706010, 85412020]

約数ペア:

[(1, 85412020), (2, 42706010), (4, 21353005), (5, 17082404), (10, 8541202), (20, 4270601), (41, 2083220), (82, 1041610), (164, 520805), (205, 416644), (410, 208322), (820, 104161)]