161312560

素因数分解:

$2^4\times 5^1\times {\mathrm{2016407}}^1$

素因数の和:2016420

約数の個数: 20

約数和(自身を含む): 375051888

約数和(自身を除く): 213739328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2016407, 4032814, 8065628, 10082035, 16131256, 20164070, 32262512, 40328140, 80656280, 161312560]

約数ペア:

[(1, 161312560), (2, 80656280), (4, 40328140), (5, 32262512), (8, 20164070), (10, 16131256), (16, 10082035), (20, 8065628), (40, 4032814), (80, 2016407)]