4026640

素因数分解:

$2^4\times 5^1\times {\mathrm{50333}}^1$

素因数の和:50346

約数の個数: 20

約数和(自身を含む): 9362124

約数和(自身を除く): 5335484

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50333, 100666, 201332, 251665, 402664, 503330, 805328, 1006660, 2013320, 4026640]

約数ペア:

[(1, 4026640), (2, 2013320), (4, 1006660), (5, 805328), (8, 503330), (10, 402664), (16, 251665), (20, 201332), (40, 100666), (80, 50333)]