28025020

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 61437600

約数和(自身を除く): 33412580

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 211, 229, 290, 422, 458, 580, 844, 916, 1055, 1145, 2110, 2290, 4220, 4580, 6119, 6641, 12238, 13282, 24476, 26564, 30595, 33205, 48319, 61190, 66410, 96638, 122380, 132820, 193276, 241595, 483190, 966380, 1401251, 2802502, 5605004, 7006255, 14012510, 28025020]

約数ペア:

[(1, 28025020), (2, 14012510), (4, 7006255), (5, 5605004), (10, 2802502), (20, 1401251), (29, 966380), (58, 483190), (116, 241595), (145, 193276), (211, 132820), (229, 122380), (290, 96638), (422, 66410), (458, 61190), (580, 48319), (844, 33205), (916, 30595), (1055, 26564), (1145, 24476), (2110, 13282), (2290, 12238), (4220, 6641), (4580, 6119)]