1657147280

素因数分解:

$2^4\times 5^1\times {\mathrm{20714341}}^1$

素因数の和:20714354

約数の個数: 20

約数和(自身を含む): 3852867612

約数和(自身を除く): 2195720332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20714341, 41428682, 82857364, 103571705, 165714728, 207143410, 331429456, 414286820, 828573640, 1657147280]

約数ペア:

[(1, 1657147280), (2, 828573640), (4, 414286820), (5, 331429456), (8, 207143410), (10, 165714728), (16, 103571705), (20, 82857364), (40, 41428682), (80, 20714341)]