26581720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{60413}}^1$

素因数の和:60435

約数の個数: 32

約数和(自身を含む): 65247120

約数和(自身を除く): 38665400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 60413, 120826, 241652, 302065, 483304, 604130, 664543, 1208260, 1329086, 2416520, 2658172, 3322715, 5316344, 6645430, 13290860, 26581720]

約数ペア:

[(1, 26581720), (2, 13290860), (4, 6645430), (5, 5316344), (8, 3322715), (10, 2658172), (11, 2416520), (20, 1329086), (22, 1208260), (40, 664543), (44, 604130), (55, 483304), (88, 302065), (110, 241652), (220, 120826), (440, 60413)]