27812620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126421}}^1$

素因数の和:126441

約数の個数: 24

約数和(自身を含む): 63716688

約数和(自身を除く): 35904068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 126421, 252842, 505684, 632105, 1264210, 1390631, 2528420, 2781262, 5562524, 6953155, 13906310, 27812620]

約数ペア:

[(1, 27812620), (2, 13906310), (4, 6953155), (5, 5562524), (10, 2781262), (11, 2528420), (20, 1390631), (22, 1264210), (44, 632105), (55, 505684), (110, 252842), (220, 126421)]