9876980

素因数分解:

$2^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1031}}^1$

素因数の和:1519

約数の個数: 24

約数和(自身を含む): 20805120

約数和(自身を除く): 10928140

約数列:

[1, 2, 4, 5, 10, 20, 479, 958, 1031, 1916, 2062, 2395, 4124, 4790, 5155, 9580, 10310, 20620, 493849, 987698, 1975396, 2469245, 4938490, 9876980]

約数ペア:

[(1, 9876980), (2, 4938490), (4, 2469245), (5, 1975396), (10, 987698), (20, 493849), (479, 20620), (958, 10310), (1031, 9580), (1916, 5155), (2062, 4790), (2395, 4124)]