1211457880

素因数分解:

$2^3\times 5^1\times {\mathrm{5417}}^1\times {\mathrm{5591}}^1$

素因数の和:11019

約数の個数: 32

約数和(自身を含む): 2726771040

約数和(自身を除く): 1515313160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5417, 5591, 10834, 11182, 21668, 22364, 27085, 27955, 43336, 44728, 54170, 55910, 108340, 111820, 216680, 223640, 30286447, 60572894, 121145788, 151432235, 242291576, 302864470, 605728940, 1211457880]

約数ペア:

[(1, 1211457880), (2, 605728940), (4, 302864470), (5, 242291576), (8, 151432235), (10, 121145788), (20, 60572894), (40, 30286447), (5417, 223640), (5591, 216680), (10834, 111820), (11182, 108340), (21668, 55910), (22364, 54170), (27085, 44728), (27955, 43336)]