8870840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20161}}^1$

素因数の和:20183

約数の個数: 32

約数和(自身を含む): 21774960

約数和(自身を除く): 12904120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 20161, 40322, 80644, 100805, 161288, 201610, 221771, 403220, 443542, 806440, 887084, 1108855, 1774168, 2217710, 4435420, 8870840]

約数ペア:

[(1, 8870840), (2, 4435420), (4, 2217710), (5, 1774168), (8, 1108855), (10, 887084), (11, 806440), (20, 443542), (22, 403220), (40, 221771), (44, 201610), (55, 161288), (88, 100805), (110, 80644), (220, 40322), (440, 20161)]