4065140

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{463}}^1$

素因数の和:911

約数の個数: 24

約数和(自身を含む): 8574720

約数和(自身を除く): 4509580

約数列:

[1, 2, 4, 5, 10, 20, 439, 463, 878, 926, 1756, 1852, 2195, 2315, 4390, 4630, 8780, 9260, 203257, 406514, 813028, 1016285, 2032570, 4065140]

約数ペア:

[(1, 4065140), (2, 2032570), (4, 1016285), (5, 813028), (10, 406514), (20, 203257), (439, 9260), (463, 8780), (878, 4630), (926, 4390), (1756, 2315), (1852, 2195)]