4500040

素因数分解:

$2^3\times 5^1\times {\mathrm{112501}}^1$

素因数の和:112512

約数の個数: 16

約数和(自身を含む): 10125180

約数和(自身を除く): 5625140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 112501, 225002, 450004, 562505, 900008, 1125010, 2250020, 4500040]

約数ペア:

[(1, 4500040), (2, 2250020), (4, 1125010), (5, 900008), (8, 562505), (10, 450004), (20, 225002), (40, 112501)]