72241280

素因数分解:

$2^7\times 5^1\times {\mathrm{112877}}^1$

素因数の和:112896

約数の個数: 32

約数和(自身を含む): 172703340

約数和(自身を除く): 100462060

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 112877, 225754, 451508, 564385, 903016, 1128770, 1806032, 2257540, 3612064, 4515080, 7224128, 9030160, 14448256, 18060320, 36120640, 72241280]

約数ペア:

[(1, 72241280), (2, 36120640), (4, 18060320), (5, 14448256), (8, 9030160), (10, 7224128), (16, 4515080), (20, 3612064), (32, 2257540), (40, 1806032), (64, 1128770), (80, 903016), (128, 564385), (160, 451508), (320, 225754), (640, 112877)]