4399120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4999}}^1$

素因数の和:5023

約数の個数: 40

約数和(自身を含む): 11160000

約数和(自身を除く): 6760880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 4999, 9998, 19996, 24995, 39992, 49990, 54989, 79984, 99980, 109978, 199960, 219956, 274945, 399920, 439912, 549890, 879824, 1099780, 2199560, 4399120]

約数ペア:

[(1, 4399120), (2, 2199560), (4, 1099780), (5, 879824), (8, 549890), (10, 439912), (11, 399920), (16, 274945), (20, 219956), (22, 199960), (40, 109978), (44, 99980), (55, 79984), (80, 54989), (88, 49990), (110, 39992), (176, 24995), (220, 19996), (440, 9998), (880, 4999)]