4008080

素因数分解:

$2^4\times 5^1\times {\mathrm{50101}}^1$

素因数の和:50114

約数の個数: 20

約数和(自身を含む): 9318972

約数和(自身を除く): 5310892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 50101, 100202, 200404, 250505, 400808, 501010, 801616, 1002020, 2004040, 4008080]

約数ペア:

[(1, 4008080), (2, 2004040), (4, 1002020), (5, 801616), (8, 501010), (10, 400808), (16, 250505), (20, 200404), (40, 100202), (80, 50101)]