8960980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{64007}}^1$

素因数の和:64023

約数の個数: 24

約数和(自身を含む): 21506688

約数和(自身を除く): 12545708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 64007, 128014, 256028, 320035, 448049, 640070, 896098, 1280140, 1792196, 2240245, 4480490, 8960980]

約数ペア:

[(1, 8960980), (2, 4480490), (4, 2240245), (5, 1792196), (7, 1280140), (10, 896098), (14, 640070), (20, 448049), (28, 320035), (35, 256028), (70, 128014), (140, 64007)]