80861920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{6089}}^1$

素因数の和:6187

約数の個数: 48

約数和(自身を含む): 193369680

約数和(自身を除く): 112507760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 6089, 6640, 12178, 13280, 24356, 30445, 48712, 60890, 97424, 121780, 194848, 243560, 487120, 505387, 974240, 1010774, 2021548, 2526935, 4043096, 5053870, 8086192, 10107740, 16172384, 20215480, 40430960, 80861920]

約数ペア:

[(1, 80861920), (2, 40430960), (4, 20215480), (5, 16172384), (8, 10107740), (10, 8086192), (16, 5053870), (20, 4043096), (32, 2526935), (40, 2021548), (80, 1010774), (83, 974240), (160, 505387), (166, 487120), (332, 243560), (415, 194848), (664, 121780), (830, 97424), (1328, 60890), (1660, 48712), (2656, 30445), (3320, 24356), (6089, 13280), (6640, 12178)]