2546140

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2087}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 5437152

約数和(自身を除く): 2891012

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2087, 4174, 8348, 10435, 20870, 41740, 127307, 254614, 509228, 636535, 1273070, 2546140]

約数ペア:

[(1, 2546140), (2, 1273070), (4, 636535), (5, 509228), (10, 254614), (20, 127307), (61, 41740), (122, 20870), (244, 10435), (305, 8348), (610, 4174), (1220, 2087)]