80814860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{577249}}^1$

素因数の和:577265

約数の個数: 24

約数和(自身を含む): 193956000

約数和(自身を除く): 113141140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 577249, 1154498, 2308996, 2886245, 4040743, 5772490, 8081486, 11544980, 16162972, 20203715, 40407430, 80814860]

約数ペア:

[(1, 80814860), (2, 40407430), (4, 20203715), (5, 16162972), (7, 11544980), (10, 8081486), (14, 5772490), (20, 4040743), (28, 2886245), (35, 2308996), (70, 1154498), (140, 577249)]