28567660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129853}}^1$

素因数の和:129873

約数の個数: 24

約数和(自身を含む): 65446416

約数和(自身を除く): 36878756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129853, 259706, 519412, 649265, 1298530, 1428383, 2597060, 2856766, 5713532, 7141915, 14283830, 28567660]

約数ペア:

[(1, 28567660), (2, 14283830), (4, 7141915), (5, 5713532), (10, 2856766), (11, 2597060), (20, 1428383), (22, 1298530), (44, 649265), (55, 519412), (110, 259706), (220, 129853)]