871409080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{531347}}^1$

素因数の和:531399

約数の個数: 32

約数和(自身を含む): 2008495440

約数和(自身を除く): 1137086360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 531347, 1062694, 2125388, 2656735, 4250776, 5313470, 10626940, 21253880, 21785227, 43570454, 87140908, 108926135, 174281816, 217852270, 435704540, 871409080]

約数ペア:

[(1, 871409080), (2, 435704540), (4, 217852270), (5, 174281816), (8, 108926135), (10, 87140908), (20, 43570454), (40, 21785227), (41, 21253880), (82, 10626940), (164, 5313470), (205, 4250776), (328, 2656735), (410, 2125388), (820, 1062694), (1640, 531347)]