8364820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{101}}^2$

素因数の和:252

約数の個数: 36

約数和(自身を含む): 18174492

約数和(自身を除く): 9809672

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 101, 164, 202, 205, 404, 410, 505, 820, 1010, 2020, 4141, 8282, 10201, 16564, 20402, 20705, 40804, 41410, 51005, 82820, 102010, 204020, 418241, 836482, 1672964, 2091205, 4182410, 8364820]

約数ペア:

[(1, 8364820), (2, 4182410), (4, 2091205), (5, 1672964), (10, 836482), (20, 418241), (41, 204020), (82, 102010), (101, 82820), (164, 51005), (202, 41410), (205, 40804), (404, 20705), (410, 20402), (505, 16564), (820, 10201), (1010, 8282), (2020, 4141)]