331337680

素因数分解:

$2^4\times 5^1\times {\mathrm{4141721}}^1$

素因数の和:4141734

約数の個数: 20

約数和(自身を含む): 770360292

約数和(自身を除く): 439022612

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4141721, 8283442, 16566884, 20708605, 33133768, 41417210, 66267536, 82834420, 165668840, 331337680]

約数ペア:

[(1, 331337680), (2, 165668840), (4, 82834420), (5, 66267536), (8, 41417210), (10, 33133768), (16, 20708605), (20, 16566884), (40, 8283442), (80, 4141721)]