12889630

素因数分解:

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

素因数の和:325

約数の個数: 48

約数和(自身を含む): 26088480

約数和(自身を除く): 13198850

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 169, 263, 290, 338, 377, 526, 754, 845, 1315, 1690, 1885, 2630, 3419, 3770, 4901, 6838, 7627, 9802, 15254, 17095, 24505, 34190, 38135, 44447, 49010, 76270, 88894, 99151, 198302, 222235, 444470, 495755, 991510, 1288963, 2577926, 6444815, 12889630]

約数ペア:

[(1, 12889630), (2, 6444815), (5, 2577926), (10, 1288963), (13, 991510), (26, 495755), (29, 444470), (58, 222235), (65, 198302), (130, 99151), (145, 88894), (169, 76270), (263, 49010), (290, 44447), (338, 38135), (377, 34190), (526, 24505), (754, 17095), (845, 15254), (1315, 9802), (1690, 7627), (1885, 6838), (2630, 4901), (3419, 3770)]