38399840

素因数分解:

$2^5\times 5^1\times {\mathrm{239999}}^1$

素因数の和:240014

約数の個数: 24

約数和(自身を含む): 90720000

約数和(自身を除く): 52320160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 239999, 479998, 959996, 1199995, 1919992, 2399990, 3839984, 4799980, 7679968, 9599960, 19199920, 38399840]

約数ペア:

[(1, 38399840), (2, 19199920), (4, 9599960), (5, 7679968), (8, 4799980), (10, 3839984), (16, 2399990), (20, 1919992), (32, 1199995), (40, 959996), (80, 479998), (160, 239999)]