55144240

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3499}}^1$

素因数の和:3709

約数の個数: 40

約数和(自身を含む): 128898000

約数和(自身を除く): 73753760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3499, 3940, 6998, 7880, 13996, 15760, 17495, 27992, 34990, 55984, 69980, 139960, 279920, 689303, 1378606, 2757212, 3446515, 5514424, 6893030, 11028848, 13786060, 27572120, 55144240]

約数ペア:

[(1, 55144240), (2, 27572120), (4, 13786060), (5, 11028848), (8, 6893030), (10, 5514424), (16, 3446515), (20, 2757212), (40, 1378606), (80, 689303), (197, 279920), (394, 139960), (788, 69980), (985, 55984), (1576, 34990), (1970, 27992), (3152, 17495), (3499, 15760), (3940, 13996), (6998, 7880)]