26463280

素因数分解:

$2^4\times 5^1\times {\mathrm{330791}}^1$

素因数の和:330804

約数の個数: 20

約数和(自身を含む): 61527312

約数和(自身を除く): 35064032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330791, 661582, 1323164, 1653955, 2646328, 3307910, 5292656, 6615820, 13231640, 26463280]

約数ペア:

[(1, 26463280), (2, 13231640), (4, 6615820), (5, 5292656), (8, 3307910), (10, 2646328), (16, 1653955), (20, 1323164), (40, 661582), (80, 330791)]