13405760

素因数分解:

$2^6\times 5^1\times {\mathrm{41893}}^1$

素因数の和:41910

約数の個数: 28

約数和(自身を含む): 31923228

約数和(自身を除く): 18517468

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 41893, 83786, 167572, 209465, 335144, 418930, 670288, 837860, 1340576, 1675720, 2681152, 3351440, 6702880, 13405760]

約数ペア:

[(1, 13405760), (2, 6702880), (4, 3351440), (5, 2681152), (8, 1675720), (10, 1340576), (16, 837860), (20, 670288), (32, 418930), (40, 335144), (64, 209465), (80, 167572), (160, 83786), (320, 41893)]