211280320

素因数分解:

$2^6\times 5^1\times {\mathrm{660251}}^1$

素因数の和:660268

約数の個数: 28

約数和(自身を含む): 503112024

約数和(自身を除く): 291831704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 660251, 1320502, 2641004, 3301255, 5282008, 6602510, 10564016, 13205020, 21128032, 26410040, 42256064, 52820080, 105640160, 211280320]

約数ペア:

[(1, 211280320), (2, 105640160), (4, 52820080), (5, 42256064), (8, 26410040), (10, 21128032), (16, 13205020), (20, 10564016), (32, 6602510), (40, 5282008), (64, 3301255), (80, 2641004), (160, 1320502), (320, 660251)]