8044040

素因数分解:

$2^3\times 5^1\times {\mathrm{201101}}^1$

素因数の和:201112

約数の個数: 16

約数和(自身を含む): 18099180

約数和(自身を除く): 10055140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 201101, 402202, 804404, 1005505, 1608808, 2011010, 4022020, 8044040]

約数ペア:

[(1, 8044040), (2, 4022020), (4, 2011010), (5, 1608808), (8, 1005505), (10, 804404), (20, 402202), (40, 201101)]