26419280

素因数分解:

$2^4\times 5^1\times {\mathrm{330241}}^1$

素因数の和:330254

約数の個数: 20

約数和(自身を含む): 61425012

約数和(自身を除く): 35005732

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330241, 660482, 1320964, 1651205, 2641928, 3302410, 5283856, 6604820, 13209640, 26419280]

約数ペア:

[(1, 26419280), (2, 13209640), (4, 6604820), (5, 5283856), (8, 3302410), (10, 2641928), (16, 1651205), (20, 1320964), (40, 660482), (80, 330241)]