157300720

素因数分解:

$2^4\times 5^1\times {\mathrm{1966259}}^1$

素因数の和:1966272

約数の個数: 20

約数和(自身を含む): 365724360

約数和(自身を除く): 208423640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1966259, 3932518, 7865036, 9831295, 15730072, 19662590, 31460144, 39325180, 78650360, 157300720]

約数ペア:

[(1, 157300720), (2, 78650360), (4, 39325180), (5, 31460144), (8, 19662590), (10, 15730072), (16, 9831295), (20, 7865036), (40, 3932518), (80, 1966259)]