553640380

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{41879}}^1$

素因数の和:42549

約数の個数: 24

約数和(自身を含む): 1164431520

約数和(自身を除く): 610791140

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 41879, 83758, 167516, 209395, 418790, 837580, 27682019, 55364038, 110728076, 138410095, 276820190, 553640380]

約数ペア:

[(1, 553640380), (2, 276820190), (4, 138410095), (5, 110728076), (10, 55364038), (20, 27682019), (661, 837580), (1322, 418790), (2644, 209395), (3305, 167516), (6610, 83758), (13220, 41879)]