80243120

素因数分解:

$2^4\times 5^1\times {\mathrm{1003039}}^1$

素因数の和:1003052

約数の個数: 20

約数和(自身を含む): 186565440

約数和(自身を除く): 106322320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1003039, 2006078, 4012156, 5015195, 8024312, 10030390, 16048624, 20060780, 40121560, 80243120]

約数ペア:

[(1, 80243120), (2, 40121560), (4, 20060780), (5, 16048624), (8, 10030390), (10, 8024312), (16, 5015195), (20, 4012156), (40, 2006078), (80, 1003039)]