39981920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22717}}^1$

素因数の和:22743

約数の個数: 48

約数和(自身を含む): 103048848

約数和(自身を除く): 63066928

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, 22717, 45434, 90868, 113585, 181736, 227170, 249887, 363472, 454340, 499774, 726944, 908680, 999548, 1249435, 1817360, 1999096, 2498870, 3634720, 3998192, 4997740, 7996384, 9995480, 19990960, 39981920]

約数ペア:

[(1, 39981920), (2, 19990960), (4, 9995480), (5, 7996384), (8, 4997740), (10, 3998192), (11, 3634720), (16, 2498870), (20, 1999096), (22, 1817360), (32, 1249435), (40, 999548), (44, 908680), (55, 726944), (80, 499774), (88, 454340), (110, 363472), (160, 249887), (176, 227170), (220, 181736), (352, 113585), (440, 90868), (880, 45434), (1760, 22717)]