121257680

素因数分解:

$2^4\times 5^1\times {\mathrm{1515721}}^1$

素因数の和:1515734

約数の個数: 20

約数和(自身を含む): 281924292

約数和(自身を除く): 160666612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1515721, 3031442, 6062884, 7578605, 12125768, 15157210, 24251536, 30314420, 60628840, 121257680]

約数ペア:

[(1, 121257680), (2, 60628840), (4, 30314420), (5, 24251536), (8, 15157210), (10, 12125768), (16, 7578605), (20, 6062884), (40, 3031442), (80, 1515721)]