54659980

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1979}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 114927120

約数和(自身を除く): 60267140

約数列:

[1, 2, 4, 5, 10, 20, 1381, 1979, 2762, 3958, 5524, 6905, 7916, 9895, 13810, 19790, 27620, 39580, 2732999, 5465998, 10931996, 13664995, 27329990, 54659980]

約数ペア:

[(1, 54659980), (2, 27329990), (4, 13664995), (5, 10931996), (10, 5465998), (20, 2732999), (1381, 39580), (1979, 27620), (2762, 19790), (3958, 13810), (5524, 9895), (6905, 7916)]