80341940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{573871}}^1$

素因数の和:573887

約数の個数: 24

約数和(自身を含む): 192820992

約数和(自身を除く): 112479052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 573871, 1147742, 2295484, 2869355, 4017097, 5738710, 8034194, 11477420, 16068388, 20085485, 40170970, 80341940]

約数ペア:

[(1, 80341940), (2, 40170970), (4, 20085485), (5, 16068388), (7, 11477420), (10, 8034194), (14, 5738710), (20, 4017097), (28, 2869355), (35, 2295484), (70, 1147742), (140, 573871)]