38307380

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21521}}^1$

素因数の和:21619

約数の個数: 24

約数和(自身を含む): 81353160

約数和(自身を除く): 43045780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21521, 43042, 86084, 107605, 215210, 430420, 1915369, 3830738, 7661476, 9576845, 19153690, 38307380]

約数ペア:

[(1, 38307380), (2, 19153690), (4, 9576845), (5, 7661476), (10, 3830738), (20, 1915369), (89, 430420), (178, 215210), (356, 107605), (445, 86084), (890, 43042), (1780, 21521)]