80220980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{573007}}^1$

素因数の和:573023

約数の個数: 24

約数和(自身を含む): 192530688

約数和(自身を除く): 112309708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 573007, 1146014, 2292028, 2865035, 4011049, 5730070, 8022098, 11460140, 16044196, 20055245, 40110490, 80220980]

約数ペア:

[(1, 80220980), (2, 40110490), (4, 20055245), (5, 16044196), (7, 11460140), (10, 8022098), (14, 5730070), (20, 4011049), (28, 2865035), (35, 2292028), (70, 1146014), (140, 573007)]