164011840

素因数分解:

$2^6\times 5^1\times {\mathrm{512537}}^1$

素因数の和:512554

約数の個数: 28

約数和(自身を含む): 390553956

約数和(自身を除く): 226542116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 512537, 1025074, 2050148, 2562685, 4100296, 5125370, 8200592, 10250740, 16401184, 20501480, 32802368, 41002960, 82005920, 164011840]

約数ペア:

[(1, 164011840), (2, 82005920), (4, 41002960), (5, 32802368), (8, 20501480), (10, 16401184), (16, 10250740), (20, 8200592), (32, 5125370), (40, 4100296), (64, 2562685), (80, 2050148), (160, 1025074), (320, 512537)]