71695280

素因数分解:

$2^4\times 5^1\times {\mathrm{896191}}^1$

素因数の和:896204

約数の個数: 20

約数和(自身を含む): 166691712

約数和(自身を除く): 94996432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 896191, 1792382, 3584764, 4480955, 7169528, 8961910, 14339056, 17923820, 35847640, 71695280]

約数ペア:

[(1, 71695280), (2, 35847640), (4, 17923820), (5, 14339056), (8, 8961910), (10, 7169528), (16, 4480955), (20, 3584764), (40, 1792382), (80, 896191)]