25779260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 60873120

約数和(自身を除く): 35093860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 169, 260, 263, 290, 338, 377, 526, 580, 676, 754, 845, 1052, 1315, 1508, 1690, 1885, 2630, 3380, 3419, 3770, 4901, 5260, 6838, 7540, 7627, 9802, 13676, 15254, 17095, 19604, 24505, 30508, 34190, 38135, 44447, 49010, 68380, 76270, 88894, 98020, 99151, 152540, 177788, 198302, 222235, 396604, 444470, 495755, 888940, 991510, 1288963, 1983020, 2577926, 5155852, 6444815, 12889630, 25779260]

約数ペア:

[(1, 25779260), (2, 12889630), (4, 6444815), (5, 5155852), (10, 2577926), (13, 1983020), (20, 1288963), (26, 991510), (29, 888940), (52, 495755), (58, 444470), (65, 396604), (116, 222235), (130, 198302), (145, 177788), (169, 152540), (260, 99151), (263, 98020), (290, 88894), (338, 76270), (377, 68380), (526, 49010), (580, 44447), (676, 38135), (754, 34190), (845, 30508), (1052, 24505), (1315, 19604), (1508, 17095), (1690, 15254), (1885, 13676), (2630, 9802), (3380, 7627), (3419, 7540), (3770, 6838), (4901, 5260)]