40761640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9349}}^1$

素因数の和:9469

約数の個数: 32

約数和(自身を含む): 92565000

約数和(自身を除く): 51803360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 9349, 18698, 37396, 46745, 74792, 93490, 186980, 373960, 1019041, 2038082, 4076164, 5095205, 8152328, 10190410, 20380820, 40761640]

約数ペア:

[(1, 40761640), (2, 20380820), (4, 10190410), (5, 8152328), (8, 5095205), (10, 4076164), (20, 2038082), (40, 1019041), (109, 373960), (218, 186980), (436, 93490), (545, 74792), (872, 46745), (1090, 37396), (2180, 18698), (4360, 9349)]