157410640

素因数分解:

$2^4\times 5^1\times {\mathrm{1967633}}^1$

素因数の和:1967646

約数の個数: 20

約数和(自身を含む): 365979924

約数和(自身を除く): 208569284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1967633, 3935266, 7870532, 9838165, 15741064, 19676330, 31482128, 39352660, 78705320, 157410640]

約数ペア:

[(1, 157410640), (2, 78705320), (4, 39352660), (5, 31482128), (8, 19676330), (10, 15741064), (16, 9838165), (20, 7870532), (40, 3935266), (80, 1967633)]