799840

素因数分解:

$2^5\times 5^1\times {\mathrm{4999}}^1$

素因数の和:5014

約数の個数: 24

約数和(自身を含む): 1890000

約数和(自身を除く): 1090160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 4999, 9998, 19996, 24995, 39992, 49990, 79984, 99980, 159968, 199960, 399920, 799840]

約数ペア:

[(1, 799840), (2, 399920), (4, 199960), (5, 159968), (8, 99980), (10, 79984), (16, 49990), (20, 39992), (32, 24995), (40, 19996), (80, 9998), (160, 4999)]