163679980

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{8111}}^1$

素因数の和:9129

約数の個数: 24

約数和(自身を含む): 344111040

約数和(自身を除く): 180431060

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 8111, 10090, 16222, 20180, 32444, 40555, 81110, 162220, 8183999, 16367998, 32735996, 40919995, 81839990, 163679980]

約数ペア:

[(1, 163679980), (2, 81839990), (4, 40919995), (5, 32735996), (10, 16367998), (20, 8183999), (1009, 162220), (2018, 81110), (4036, 40555), (5045, 32444), (8111, 20180), (10090, 16222)]