40511660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{289369}}^1$

素因数の和:289385

約数の個数: 24

約数和(自身を含む): 97228320

約数和(自身を除く): 56716660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 289369, 578738, 1157476, 1446845, 2025583, 2893690, 4051166, 5787380, 8102332, 10127915, 20255830, 40511660]

約数ペア:

[(1, 40511660), (2, 20255830), (4, 10127915), (5, 8102332), (7, 5787380), (10, 4051166), (14, 2893690), (20, 2025583), (28, 1446845), (35, 1157476), (70, 578738), (140, 289369)]