13285760

素因数分解:

$2^7\times 5^1\times {\mathrm{20759}}^1$

素因数の和:20778

約数の個数: 32

約数和(自身を含む): 31762800

約数和(自身を除く): 18477040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20759, 41518, 83036, 103795, 166072, 207590, 332144, 415180, 664288, 830360, 1328576, 1660720, 2657152, 3321440, 6642880, 13285760]

約数ペア:

[(1, 13285760), (2, 6642880), (4, 3321440), (5, 2657152), (8, 1660720), (10, 1328576), (16, 830360), (20, 664288), (32, 415180), (40, 332144), (64, 207590), (80, 166072), (128, 103795), (160, 83036), (320, 41518), (640, 20759)]