51081280

素因数分解:

$2^6\times 5^1\times {\mathrm{159629}}^1$

素因数の和:159646

約数の個数: 28

約数和(自身を含む): 121638060

約数和(自身を除く): 70556780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 159629, 319258, 638516, 798145, 1277032, 1596290, 2554064, 3192580, 5108128, 6385160, 10216256, 12770320, 25540640, 51081280]

約数ペア:

[(1, 51081280), (2, 25540640), (4, 12770320), (5, 10216256), (8, 6385160), (10, 5108128), (16, 3192580), (20, 2554064), (32, 1596290), (40, 1277032), (64, 798145), (80, 638516), (160, 319258), (320, 159629)]