2686420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12211}}^1$

素因数の和:12231

約数の個数: 24

約数和(自身を含む): 6154848

約数和(自身を除く): 3468428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12211, 24422, 48844, 61055, 122110, 134321, 244220, 268642, 537284, 671605, 1343210, 2686420]

約数ペア:

[(1, 2686420), (2, 1343210), (4, 671605), (5, 537284), (10, 268642), (11, 244220), (20, 134321), (22, 122110), (44, 61055), (55, 48844), (110, 24422), (220, 12211)]