8980040

素因数分解:

$2^3\times 5^1\times {\mathrm{224501}}^1$

素因数の和:224512

約数の個数: 16

約数和(自身を含む): 20205180

約数和(自身を除く): 11225140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 224501, 449002, 898004, 1122505, 1796008, 2245010, 4490020, 8980040]

約数ペア:

[(1, 8980040), (2, 4490020), (4, 2245010), (5, 1796008), (8, 1122505), (10, 898004), (20, 449002), (40, 224501)]