168495280

素因数分解:

$2^4\times 5^1\times {\mathrm{2106191}}^1$

素因数の和:2106204

約数の個数: 20

約数和(自身を含む): 391751712

約数和(自身を除く): 223256432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2106191, 4212382, 8424764, 10530955, 16849528, 21061910, 33699056, 42123820, 84247640, 168495280]

約数ペア:

[(1, 168495280), (2, 84247640), (4, 42123820), (5, 33699056), (8, 21061910), (10, 16849528), (16, 10530955), (20, 8424764), (40, 4212382), (80, 2106191)]