51558520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{263}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 130442400

約数和(自身を除く): 78883880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 169, 232, 260, 263, 290, 338, 377, 520, 526, 580, 676, 754, 845, 1052, 1160, 1315, 1352, 1508, 1690, 1885, 2104, 2630, 3016, 3380, 3419, 3770, 4901, 5260, 6760, 6838, 7540, 7627, 9802, 10520, 13676, 15080, 15254, 17095, 19604, 24505, 27352, 30508, 34190, 38135, 39208, 44447, 49010, 61016, 68380, 76270, 88894, 98020, 99151, 136760, 152540, 177788, 196040, 198302, 222235, 305080, 355576, 396604, 444470, 495755, 793208, 888940, 991510, 1288963, 1777880, 1983020, 2577926, 3966040, 5155852, 6444815, 10311704, 12889630, 25779260, 51558520]

約数ペア:

[(1, 51558520), (2, 25779260), (4, 12889630), (5, 10311704), (8, 6444815), (10, 5155852), (13, 3966040), (20, 2577926), (26, 1983020), (29, 1777880), (40, 1288963), (52, 991510), (58, 888940), (65, 793208), (104, 495755), (116, 444470), (130, 396604), (145, 355576), (169, 305080), (232, 222235), (260, 198302), (263, 196040), (290, 177788), (338, 152540), (377, 136760), (520, 99151), (526, 98020), (580, 88894), (676, 76270), (754, 68380), (845, 61016), (1052, 49010), (1160, 44447), (1315, 39208), (1352, 38135), (1508, 34190), (1690, 30508), (1885, 27352), (2104, 24505), (2630, 19604), (3016, 17095), (3380, 15254), (3419, 15080), (3770, 13676), (4901, 10520), (5260, 9802), (6760, 7627), (6838, 7540)]