13855280

素因数分解:

$2^4\times 5^1\times {\mathrm{173191}}^1$

素因数の和:173204

約数の個数: 20

約数和(自身を含む): 32213712

約数和(自身を除く): 18358432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173191, 346382, 692764, 865955, 1385528, 1731910, 2771056, 3463820, 6927640, 13855280]

約数ペア:

[(1, 13855280), (2, 6927640), (4, 3463820), (5, 2771056), (8, 1731910), (10, 1385528), (16, 865955), (20, 692764), (40, 346382), (80, 173191)]