26268220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{859}}^1$

素因数の和:1018

約数の個数: 48

約数和(自身を含む): 60681600

約数和(自身を除く): 34413380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 556, 695, 859, 1390, 1529, 1718, 2780, 3058, 3436, 4295, 6116, 7645, 8590, 9449, 15290, 17180, 18898, 30580, 37796, 47245, 94490, 119401, 188980, 238802, 477604, 597005, 1194010, 1313411, 2388020, 2626822, 5253644, 6567055, 13134110, 26268220]

約数ペア:

[(1, 26268220), (2, 13134110), (4, 6567055), (5, 5253644), (10, 2626822), (11, 2388020), (20, 1313411), (22, 1194010), (44, 597005), (55, 477604), (110, 238802), (139, 188980), (220, 119401), (278, 94490), (556, 47245), (695, 37796), (859, 30580), (1390, 18898), (1529, 17180), (1718, 15290), (2780, 9449), (3058, 8590), (3436, 7645), (4295, 6116)]