89477980

素因数分解:

$2^2\times 5^1\times {\mathrm{1879}}^1\times {\mathrm{2381}}^1$

素因数の和:4269

約数の個数: 24

約数和(自身を含む): 188082720

約数和(自身を除く): 98604740

約数列:

[1, 2, 4, 5, 10, 20, 1879, 2381, 3758, 4762, 7516, 9395, 9524, 11905, 18790, 23810, 37580, 47620, 4473899, 8947798, 17895596, 22369495, 44738990, 89477980]

約数ペア:

[(1, 89477980), (2, 44738990), (4, 22369495), (5, 17895596), (10, 8947798), (20, 4473899), (1879, 47620), (2381, 37580), (3758, 23810), (4762, 18790), (7516, 11905), (9395, 9524)]