40692580

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{22861}}^1$

素因数の和:22959

約数の個数: 24

約数和(自身を含む): 86418360

約数和(自身を除く): 45725780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 22861, 45722, 91444, 114305, 228610, 457220, 2034629, 4069258, 8138516, 10173145, 20346290, 40692580]

約数ペア:

[(1, 40692580), (2, 20346290), (4, 10173145), (5, 8138516), (10, 4069258), (20, 2034629), (89, 457220), (178, 228610), (356, 114305), (445, 91444), (890, 45722), (1780, 22861)]