28618580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1489}}^1$

素因数の和:1560

約数の個数: 36

約数和(自身を含む): 62141940

約数和(自身を除く): 33523360

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1489, 1922, 2978, 3844, 4805, 5956, 7445, 9610, 14890, 19220, 29780, 46159, 92318, 184636, 230795, 461590, 923180, 1430929, 2861858, 5723716, 7154645, 14309290, 28618580]

約数ペア:

[(1, 28618580), (2, 14309290), (4, 7154645), (5, 5723716), (10, 2861858), (20, 1430929), (31, 923180), (62, 461590), (124, 230795), (155, 184636), (310, 92318), (620, 46159), (961, 29780), (1489, 19220), (1922, 14890), (2978, 9610), (3844, 7445), (4805, 5956)]