40288940

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2221}}^1$

素因数の和:3137

約数の個数: 24

約数和(自身を含む): 84738192

約数和(自身を除く): 44449252

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 2221, 3628, 4442, 4535, 8884, 9070, 11105, 18140, 22210, 44420, 2014447, 4028894, 8057788, 10072235, 20144470, 40288940]

約数ペア:

[(1, 40288940), (2, 20144470), (4, 10072235), (5, 8057788), (10, 4028894), (20, 2014447), (907, 44420), (1814, 22210), (2221, 18140), (3628, 11105), (4442, 9070), (4535, 8884)]