89816210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2099}}^1$

素因数の和:2506

約数の個数: 32

約数和(自身を含む): 176904000

約数和(自身を除く): 87087790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 389, 778, 1945, 2099, 3890, 4198, 4279, 8558, 10495, 20990, 21395, 23089, 42790, 46178, 115445, 230890, 816511, 1633022, 4082555, 8165110, 8981621, 17963242, 44908105, 89816210]

約数ペア:

[(1, 89816210), (2, 44908105), (5, 17963242), (10, 8981621), (11, 8165110), (22, 4082555), (55, 1633022), (110, 816511), (389, 230890), (778, 115445), (1945, 46178), (2099, 42790), (3890, 23089), (4198, 21395), (4279, 20990), (8558, 10495)]