12681020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{57641}}^1$

素因数の和:57661

約数の個数: 24

約数和(自身を含む): 29051568

約数和(自身を除く): 16370548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 57641, 115282, 230564, 288205, 576410, 634051, 1152820, 1268102, 2536204, 3170255, 6340510, 12681020]

約数ペア:

[(1, 12681020), (2, 6340510), (4, 3170255), (5, 2536204), (10, 1268102), (11, 1152820), (20, 634051), (22, 576410), (44, 288205), (55, 230564), (110, 115282), (220, 57641)]