26427940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^2$

素因数の和:289

約数の個数: 72

約数和(自身を含む): 69725376

約数和(自身を除く): 43297436

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 131, 140, 154, 220, 262, 308, 385, 524, 655, 770, 917, 1310, 1441, 1540, 1834, 2620, 2882, 3668, 4585, 5764, 7205, 9170, 10087, 14410, 17161, 18340, 20174, 28820, 34322, 40348, 50435, 68644, 85805, 100870, 120127, 171610, 188771, 201740, 240254, 343220, 377542, 480508, 600635, 755084, 943855, 1201270, 1321397, 1887710, 2402540, 2642794, 3775420, 5285588, 6606985, 13213970, 26427940]

約数ペア:

[(1, 26427940), (2, 13213970), (4, 6606985), (5, 5285588), (7, 3775420), (10, 2642794), (11, 2402540), (14, 1887710), (20, 1321397), (22, 1201270), (28, 943855), (35, 755084), (44, 600635), (55, 480508), (70, 377542), (77, 343220), (110, 240254), (131, 201740), (140, 188771), (154, 171610), (220, 120127), (262, 100870), (308, 85805), (385, 68644), (524, 50435), (655, 40348), (770, 34322), (917, 28820), (1310, 20174), (1441, 18340), (1540, 17161), (1834, 14410), (2620, 10087), (2882, 9170), (3668, 7205), (4585, 5764)]