80496580

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{6089}}^1$

素因数の和:6759

約数の個数: 24

約数和(自身を含む): 169326360

約数和(自身を除く): 88829780

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6089, 6610, 12178, 13220, 24356, 30445, 60890, 121780, 4024829, 8049658, 16099316, 20124145, 40248290, 80496580]

約数ペア:

[(1, 80496580), (2, 40248290), (4, 20124145), (5, 16099316), (10, 8049658), (20, 4024829), (661, 121780), (1322, 60890), (2644, 30445), (3305, 24356), (6089, 13220), (6610, 12178)]