86775940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{21803}}^1$

素因数の和:22011

約数の個数: 24

約数和(自身を含む): 183153600

約数和(自身を除く): 96377660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 21803, 43606, 87212, 109015, 218030, 436060, 4338797, 8677594, 17355188, 21693985, 43387970, 86775940]

約数ペア:

[(1, 86775940), (2, 43387970), (4, 21693985), (5, 17355188), (10, 8677594), (20, 4338797), (199, 436060), (398, 218030), (796, 109015), (995, 87212), (1990, 43606), (3980, 21803)]