140654320

素因数分解:

$2^4\times 5^1\times {\mathrm{1758179}}^1$

素因数の和:1758192

約数の個数: 20

約数和(自身を含む): 327021480

約数和(自身を除く): 186367160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1758179, 3516358, 7032716, 8790895, 14065432, 17581790, 28130864, 35163580, 70327160, 140654320]

約数ペア:

[(1, 140654320), (2, 70327160), (4, 35163580), (5, 28130864), (8, 17581790), (10, 14065432), (16, 8790895), (20, 7032716), (40, 3516358), (80, 1758179)]