8709496760

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1997591}}^1$

素因数の和:1997711

約数の個数: 32

約数和(自身を含む): 19776160800

約数和(自身を除く): 11066664040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 1997591, 3995182, 7990364, 9987955, 15980728, 19975910, 39951820, 79903640, 217737419, 435474838, 870949676, 1088687095, 1741899352, 2177374190, 4354748380, 8709496760]

約数ペア:

[(1, 8709496760), (2, 4354748380), (4, 2177374190), (5, 1741899352), (8, 1088687095), (10, 870949676), (20, 435474838), (40, 217737419), (109, 79903640), (218, 39951820), (436, 19975910), (545, 15980728), (872, 9987955), (1090, 7990364), (2180, 3995182), (4360, 1997591)]