27510820

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2081}}^1$

素因数の和:2751

約数の個数: 24

約数和(自身を含む): 57887928

約数和(自身を除く): 30377108

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2081, 2644, 3305, 4162, 6610, 8324, 10405, 13220, 20810, 41620, 1375541, 2751082, 5502164, 6877705, 13755410, 27510820]

約数ペア:

[(1, 27510820), (2, 13755410), (4, 6877705), (5, 5502164), (10, 2751082), (20, 1375541), (661, 41620), (1322, 20810), (2081, 13220), (2644, 10405), (3305, 8324), (4162, 6610)]