65798080

素因数分解:

$2^6\times 5^1\times {\mathrm{205619}}^1$

素因数の和:205636

約数の個数: 28

約数和(自身を含む): 156682440

約数和(自身を除く): 90884360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 205619, 411238, 822476, 1028095, 1644952, 2056190, 3289904, 4112380, 6579808, 8224760, 13159616, 16449520, 32899040, 65798080]

約数ペア:

[(1, 65798080), (2, 32899040), (4, 16449520), (5, 13159616), (8, 8224760), (10, 6579808), (16, 4112380), (20, 3289904), (32, 2056190), (40, 1644952), (64, 1028095), (80, 822476), (160, 411238), (320, 205619)]