26296720

素因数分解:

$2^4\times 5^1\times {\mathrm{328709}}^1$

素因数の和:328722

約数の個数: 20

約数和(自身を含む): 61140060

約数和(自身を除く): 34843340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 328709, 657418, 1314836, 1643545, 2629672, 3287090, 5259344, 6574180, 13148360, 26296720]

約数ペア:

[(1, 26296720), (2, 13148360), (4, 6574180), (5, 5259344), (8, 3287090), (10, 2629672), (16, 1643545), (20, 1314836), (40, 657418), (80, 328709)]