80370580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{56599}}^1$

素因数の和:56679

約数の個数: 24

約数和(自身を含む): 171158400

約数和(自身を除く): 90787820

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 56599, 113198, 226396, 282995, 565990, 1131980, 4018529, 8037058, 16074116, 20092645, 40185290, 80370580]

約数ペア:

[(1, 80370580), (2, 40185290), (4, 20092645), (5, 16074116), (10, 8037058), (20, 4018529), (71, 1131980), (142, 565990), (284, 282995), (355, 226396), (710, 113198), (1420, 56599)]