7266640

素因数分解:

$2^4\times 5^1\times {\mathrm{90833}}^1$

素因数の和:90846

約数の個数: 20

約数和(自身を含む): 16895124

約数和(自身を除く): 9628484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 90833, 181666, 363332, 454165, 726664, 908330, 1453328, 1816660, 3633320, 7266640]

約数ペア:

[(1, 7266640), (2, 3633320), (4, 1816660), (5, 1453328), (8, 908330), (10, 726664), (16, 454165), (20, 363332), (40, 181666), (80, 90833)]