12871840

素因数分解:

$2^5\times 5^1\times {\mathrm{80449}}^1$

素因数の和:80464

約数の個数: 24

約数和(自身を含む): 30410100

約数和(自身を除く): 17538260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 80449, 160898, 321796, 402245, 643592, 804490, 1287184, 1608980, 2574368, 3217960, 6435920, 12871840]

約数ペア:

[(1, 12871840), (2, 6435920), (4, 3217960), (5, 2574368), (8, 1608980), (10, 1287184), (16, 804490), (20, 643592), (32, 402245), (40, 321796), (80, 160898), (160, 80449)]