329804560

素因数分解:

$2^4\times 5^1\times {\mathrm{4122557}}^1$

素因数の和:4122570

約数の個数: 20

約数和(自身を含む): 766795788

約数和(自身を除く): 436991228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4122557, 8245114, 16490228, 20612785, 32980456, 41225570, 65960912, 82451140, 164902280, 329804560]

約数ペア:

[(1, 329804560), (2, 164902280), (4, 82451140), (5, 65960912), (8, 41225570), (10, 32980456), (16, 20612785), (20, 16490228), (40, 8245114), (80, 4122557)]