64901860

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{709}}^1$

素因数の和:940

約数の個数: 48

約数和(自身を含む): 143136000

約数和(自身を除く): 78234140

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 199, 230, 398, 460, 709, 796, 995, 1418, 1990, 2836, 3545, 3980, 4577, 7090, 9154, 14180, 16307, 18308, 22885, 32614, 45770, 65228, 81535, 91540, 141091, 163070, 282182, 326140, 564364, 705455, 1410910, 2821820, 3245093, 6490186, 12980372, 16225465, 32450930, 64901860]

約数ペア:

[(1, 64901860), (2, 32450930), (4, 16225465), (5, 12980372), (10, 6490186), (20, 3245093), (23, 2821820), (46, 1410910), (92, 705455), (115, 564364), (199, 326140), (230, 282182), (398, 163070), (460, 141091), (709, 91540), (796, 81535), (995, 65228), (1418, 45770), (1990, 32614), (2836, 22885), (3545, 18308), (3980, 16307), (4577, 14180), (7090, 9154)]