1921906960

素因数分解:

$2^4\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{11117}}^1$

素因数の和:13291

約数の個数: 40

約数和(自身を含む): 4470903576

約数和(自身を除く): 2548996616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2161, 4322, 8644, 10805, 11117, 17288, 21610, 22234, 34576, 43220, 44468, 55585, 86440, 88936, 111170, 172880, 177872, 222340, 444680, 889360, 24023837, 48047674, 96095348, 120119185, 192190696, 240238370, 384381392, 480476740, 960953480, 1921906960]

約数ペア:

[(1, 1921906960), (2, 960953480), (4, 480476740), (5, 384381392), (8, 240238370), (10, 192190696), (16, 120119185), (20, 96095348), (40, 48047674), (80, 24023837), (2161, 889360), (4322, 444680), (8644, 222340), (10805, 177872), (11117, 172880), (17288, 111170), (21610, 88936), (22234, 86440), (34576, 55585), (43220, 44468)]