1231840640

素因数分解:

$2^7\times 5^1\times {\mathrm{1924751}}^1$

素因数の和:1924770

約数の個数: 32

約数和(自身を含む): 2944870560

約数和(自身を除く): 1713029920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 1924751, 3849502, 7699004, 9623755, 15398008, 19247510, 30796016, 38495020, 61592032, 76990040, 123184064, 153980080, 246368128, 307960160, 615920320, 1231840640]

約数ペア:

[(1, 1231840640), (2, 615920320), (4, 307960160), (5, 246368128), (8, 153980080), (10, 123184064), (16, 76990040), (20, 61592032), (32, 38495020), (40, 30796016), (64, 19247510), (80, 15398008), (128, 9623755), (160, 7699004), (320, 3849502), (640, 1924751)]