15641120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8887}}^1$

素因数の和:8913

約数の個数: 48

約数和(自身を含む): 40315968

約数和(自身を除く): 24674848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 8887, 17774, 35548, 44435, 71096, 88870, 97757, 142192, 177740, 195514, 284384, 355480, 391028, 488785, 710960, 782056, 977570, 1421920, 1564112, 1955140, 3128224, 3910280, 7820560, 15641120]

約数ペア:

[(1, 15641120), (2, 7820560), (4, 3910280), (5, 3128224), (8, 1955140), (10, 1564112), (11, 1421920), (16, 977570), (20, 782056), (22, 710960), (32, 488785), (40, 391028), (44, 355480), (55, 284384), (80, 195514), (88, 177740), (110, 142192), (160, 97757), (176, 88870), (220, 71096), (352, 44435), (440, 35548), (880, 17774), (1760, 8887)]