8130280

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{463}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 18374400

約数和(自身を除く): 10244120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 463, 878, 926, 1756, 1852, 2195, 2315, 3512, 3704, 4390, 4630, 8780, 9260, 17560, 18520, 203257, 406514, 813028, 1016285, 1626056, 2032570, 4065140, 8130280]

約数ペア:

[(1, 8130280), (2, 4065140), (4, 2032570), (5, 1626056), (8, 1016285), (10, 813028), (20, 406514), (40, 203257), (439, 18520), (463, 17560), (878, 9260), (926, 8780), (1756, 4630), (1852, 4390), (2195, 3704), (2315, 3512)]