561237440

素因数分解:

$2^6\times 5^1\times {\mathrm{1753867}}^1$

素因数の和:1753884

約数の個数: 28

約数和(自身を含む): 1336447416

約数和(自身を除く): 775209976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1753867, 3507734, 7015468, 8769335, 14030936, 17538670, 28061872, 35077340, 56123744, 70154680, 112247488, 140309360, 280618720, 561237440]

約数ペア:

[(1, 561237440), (2, 280618720), (4, 140309360), (5, 112247488), (8, 70154680), (10, 56123744), (16, 35077340), (20, 28061872), (32, 17538670), (40, 14030936), (64, 8769335), (80, 7015468), (160, 3507734), (320, 1753867)]