1890640

素因数分解:

$2^4\times 5^1\times {\mathrm{23633}}^1$

素因数の和:23646

約数の個数: 20

約数和(自身を含む): 4395924

約数和(自身を除く): 2505284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23633, 47266, 94532, 118165, 189064, 236330, 378128, 472660, 945320, 1890640]

約数ペア:

[(1, 1890640), (2, 945320), (4, 472660), (5, 378128), (8, 236330), (10, 189064), (16, 118165), (20, 94532), (40, 47266), (80, 23633)]