87101080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197957}}^1$

素因数の和:197979

約数の個数: 32

約数和(自身を含む): 213794640

約数和(自身を除く): 126693560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 197957, 395914, 791828, 989785, 1583656, 1979570, 2177527, 3959140, 4355054, 7918280, 8710108, 10887635, 17420216, 21775270, 43550540, 87101080]

約数ペア:

[(1, 87101080), (2, 43550540), (4, 21775270), (5, 17420216), (8, 10887635), (10, 8710108), (11, 7918280), (20, 4355054), (22, 3959140), (40, 2177527), (44, 1979570), (55, 1583656), (88, 989785), (110, 791828), (220, 395914), (440, 197957)]