12790720

素因数分解:

$2^6\times 5^1\times {\mathrm{39971}}^1$

素因数の和:39988

約数の個数: 28

約数和(自身を含む): 30458664

約数和(自身を除く): 17667944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 39971, 79942, 159884, 199855, 319768, 399710, 639536, 799420, 1279072, 1598840, 2558144, 3197680, 6395360, 12790720]

約数ペア:

[(1, 12790720), (2, 6395360), (4, 3197680), (5, 2558144), (8, 1598840), (10, 1279072), (16, 799420), (20, 639536), (32, 399710), (40, 319768), (64, 199855), (80, 159884), (160, 79942), (320, 39971)]