13505180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 30858240

約数和(自身を除く): 17353060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 409, 508, 635, 818, 1270, 1636, 1651, 2045, 2540, 3302, 4090, 5317, 6604, 8180, 8255, 10634, 16510, 21268, 26585, 33020, 51943, 53170, 103886, 106340, 207772, 259715, 519430, 675259, 1038860, 1350518, 2701036, 3376295, 6752590, 13505180]

約数ペア:

[(1, 13505180), (2, 6752590), (4, 3376295), (5, 2701036), (10, 1350518), (13, 1038860), (20, 675259), (26, 519430), (52, 259715), (65, 207772), (127, 106340), (130, 103886), (254, 53170), (260, 51943), (409, 33020), (508, 26585), (635, 21268), (818, 16510), (1270, 10634), (1636, 8255), (1651, 8180), (2045, 6604), (2540, 5317), (3302, 4090)]