289776320

素因数分解:

$2^6\times 5^1\times {\mathrm{905551}}^1$

素因数の和:905568

約数の個数: 28

約数和(自身を含む): 690030624

約数和(自身を除く): 400254304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 905551, 1811102, 3622204, 4527755, 7244408, 9055510, 14488816, 18111020, 28977632, 36222040, 57955264, 72444080, 144888160, 289776320]

約数ペア:

[(1, 289776320), (2, 144888160), (4, 72444080), (5, 57955264), (8, 36222040), (10, 28977632), (16, 18111020), (20, 14488816), (32, 9055510), (40, 7244408), (64, 4527755), (80, 3622204), (160, 1811102), (320, 905551)]