90559480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{205817}}^1$

素因数の和:205839

約数の個数: 32

約数和(自身を含む): 222283440

約数和(自身を除く): 131723960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 205817, 411634, 823268, 1029085, 1646536, 2058170, 2263987, 4116340, 4527974, 8232680, 9055948, 11319935, 18111896, 22639870, 45279740, 90559480]

約数ペア:

[(1, 90559480), (2, 45279740), (4, 22639870), (5, 18111896), (8, 11319935), (10, 9055948), (11, 8232680), (20, 4527974), (22, 4116340), (40, 2263987), (44, 2058170), (55, 1646536), (88, 1029085), (110, 823268), (220, 411634), (440, 205817)]