12945760

素因数分解:

$2^5\times 5^1\times {\mathrm{80911}}^1$

素因数の和:80926

約数の個数: 24

約数和(自身を含む): 30584736

約数和(自身を除く): 17638976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80911, 161822, 323644, 404555, 647288, 809110, 1294576, 1618220, 2589152, 3236440, 6472880, 12945760]

約数ペア:

[(1, 12945760), (2, 6472880), (4, 3236440), (5, 2589152), (8, 1618220), (10, 1294576), (16, 809110), (20, 647288), (32, 404555), (40, 323644), (80, 161822), (160, 80911)]