38912420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{45247}}^1$

素因数の和:45299

約数の個数: 24

約数和(自身を含む): 83618304

約数和(自身を除く): 44705884

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 45247, 90494, 180988, 226235, 452470, 904940, 1945621, 3891242, 7782484, 9728105, 19456210, 38912420]

約数ペア:

[(1, 38912420), (2, 19456210), (4, 9728105), (5, 7782484), (10, 3891242), (20, 1945621), (43, 904940), (86, 452470), (172, 226235), (215, 180988), (430, 90494), (860, 45247)]