2440008080

素因数分解:

$2^4\times 5^1\times {\mathrm{30500101}}^1$

素因数の和:30500114

約数の個数: 20

約数和(自身を含む): 5673018972

約数和(自身を除く): 3233010892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 30500101, 61000202, 122000404, 152500505, 244000808, 305001010, 488001616, 610002020, 1220004040, 2440008080]

約数ペア:

[(1, 2440008080), (2, 1220004040), (4, 610002020), (5, 488001616), (8, 305001010), (10, 244000808), (16, 152500505), (20, 122000404), (40, 61000202), (80, 30500101)]