126913960

素因数分解:

$2^3\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{2861}}^1$

素因数の和:3981

約数の個数: 32

約数和(自身を含む): 285913800

約数和(自身を除く): 158999840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1109, 2218, 2861, 4436, 5545, 5722, 8872, 11090, 11444, 14305, 22180, 22888, 28610, 44360, 57220, 114440, 3172849, 6345698, 12691396, 15864245, 25382792, 31728490, 63456980, 126913960]

約数ペア:

[(1, 126913960), (2, 63456980), (4, 31728490), (5, 25382792), (8, 15864245), (10, 12691396), (20, 6345698), (40, 3172849), (1109, 114440), (2218, 57220), (2861, 44360), (4436, 28610), (5545, 22888), (5722, 22180), (8872, 14305), (11090, 11444)]