68715440

素因数分解:

$2^4\times 5^1\times {\mathrm{858943}}^1$

素因数の和:858956

約数の個数: 20

約数和(自身を含む): 159763584

約数和(自身を除く): 91048144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 858943, 1717886, 3435772, 4294715, 6871544, 8589430, 13743088, 17178860, 34357720, 68715440]

約数ペア:

[(1, 68715440), (2, 34357720), (4, 17178860), (5, 13743088), (8, 8589430), (10, 6871544), (16, 4294715), (20, 3435772), (40, 1717886), (80, 858943)]