66578960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{118891}}^1$

素因数の和:118911

約数の個数: 40

約数和(自身を含む): 176911296

約数和(自身を除く): 110332336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 118891, 237782, 475564, 594455, 832237, 951128, 1188910, 1664474, 1902256, 2377820, 3328948, 4161185, 4755640, 6657896, 8322370, 9511280, 13315792, 16644740, 33289480, 66578960]

約数ペア:

[(1, 66578960), (2, 33289480), (4, 16644740), (5, 13315792), (7, 9511280), (8, 8322370), (10, 6657896), (14, 4755640), (16, 4161185), (20, 3328948), (28, 2377820), (35, 1902256), (40, 1664474), (56, 1188910), (70, 951128), (80, 832237), (112, 594455), (140, 475564), (280, 237782), (560, 118891)]