30896780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{919}}^1$

素因数の和:1010

約数の個数: 36

約数和(自身を含む): 66576720

約数和(自身を除く): 35679940

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 919, 1681, 1838, 3362, 3676, 4595, 6724, 8405, 9190, 16810, 18380, 33620, 37679, 75358, 150716, 188395, 376790, 753580, 1544839, 3089678, 6179356, 7724195, 15448390, 30896780]

約数ペア:

[(1, 30896780), (2, 15448390), (4, 7724195), (5, 6179356), (10, 3089678), (20, 1544839), (41, 753580), (82, 376790), (164, 188395), (205, 150716), (410, 75358), (820, 37679), (919, 33620), (1681, 18380), (1838, 16810), (3362, 9190), (3676, 8405), (4595, 6724)]