66994480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{119633}}^1$

素因数の和:119653

約数の個数: 40

約数和(自身を含む): 178015392

約数和(自身を除く): 111020912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 119633, 239266, 478532, 598165, 837431, 957064, 1196330, 1674862, 1914128, 2392660, 3349724, 4187155, 4785320, 6699448, 8374310, 9570640, 13398896, 16748620, 33497240, 66994480]

約数ペア:

[(1, 66994480), (2, 33497240), (4, 16748620), (5, 13398896), (7, 9570640), (8, 8374310), (10, 6699448), (14, 4785320), (16, 4187155), (20, 3349724), (28, 2392660), (35, 1914128), (40, 1674862), (56, 1196330), (70, 957064), (80, 837431), (112, 598165), (140, 478532), (280, 239266), (560, 119633)]