8667820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 21043008

約数和(自身を除く): 12375188

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 613, 707, 1010, 1226, 1414, 2020, 2452, 2828, 3065, 3535, 4291, 6130, 7070, 8582, 12260, 14140, 17164, 21455, 42910, 61913, 85820, 123826, 247652, 309565, 433391, 619130, 866782, 1238260, 1733564, 2166955, 4333910, 8667820]

約数ペア:

[(1, 8667820), (2, 4333910), (4, 2166955), (5, 1733564), (7, 1238260), (10, 866782), (14, 619130), (20, 433391), (28, 309565), (35, 247652), (70, 123826), (101, 85820), (140, 61913), (202, 42910), (404, 21455), (505, 17164), (613, 14140), (707, 12260), (1010, 8582), (1226, 7070), (1414, 6130), (2020, 4291), (2452, 3535), (2828, 3065)]