81858040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{186041}}^1$

素因数の和:186063

約数の個数: 32

約数和(自身を含む): 200925360

約数和(自身を除く): 119067320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 186041, 372082, 744164, 930205, 1488328, 1860410, 2046451, 3720820, 4092902, 7441640, 8185804, 10232255, 16371608, 20464510, 40929020, 81858040]

約数ペア:

[(1, 81858040), (2, 40929020), (4, 20464510), (5, 16371608), (8, 10232255), (10, 8185804), (11, 7441640), (20, 4092902), (22, 3720820), (40, 2046451), (44, 1860410), (55, 1488328), (88, 930205), (110, 744164), (220, 372082), (440, 186041)]