4272620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19421}}^1$

素因数の和:19441

約数の個数: 24

約数和(自身を含む): 9788688

約数和(自身を除く): 5516068

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 19421, 38842, 77684, 97105, 194210, 213631, 388420, 427262, 854524, 1068155, 2136310, 4272620]

約数ペア:

[(1, 4272620), (2, 2136310), (4, 1068155), (5, 854524), (10, 427262), (11, 388420), (20, 213631), (22, 194210), (44, 97105), (55, 77684), (110, 38842), (220, 19421)]