2721580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3319}}^1$

素因数の和:3369

約数の個数: 24

約数和(自身を含む): 5856480

約数和(自身を除く): 3134900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 3319, 6638, 13276, 16595, 33190, 66380, 136079, 272158, 544316, 680395, 1360790, 2721580]

約数ペア:

[(1, 2721580), (2, 1360790), (4, 680395), (5, 544316), (10, 272158), (20, 136079), (41, 66380), (82, 33190), (164, 16595), (205, 13276), (410, 6638), (820, 3319)]