80151920

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21317}}^1$

素因数の和:21377

約数の個数: 40

約数和(自身を含む): 190327104

約数和(自身を除く): 110175184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 21317, 42634, 85268, 106585, 170536, 213170, 341072, 426340, 852680, 1001899, 1705360, 2003798, 4007596, 5009495, 8015192, 10018990, 16030384, 20037980, 40075960, 80151920]

約数ペア:

[(1, 80151920), (2, 40075960), (4, 20037980), (5, 16030384), (8, 10018990), (10, 8015192), (16, 5009495), (20, 4007596), (40, 2003798), (47, 1705360), (80, 1001899), (94, 852680), (188, 426340), (235, 341072), (376, 213170), (470, 170536), (752, 106585), (940, 85268), (1880, 42634), (3760, 21317)]