131702180

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{33091}}^1$

素因数の和:33299

約数の個数: 24

約数和(自身を含む): 277972800

約数和(自身を除く): 146270620

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 33091, 66182, 132364, 165455, 330910, 661820, 6585109, 13170218, 26340436, 32925545, 65851090, 131702180]

約数ペア:

[(1, 131702180), (2, 65851090), (4, 32925545), (5, 26340436), (10, 13170218), (20, 6585109), (199, 661820), (398, 330910), (796, 165455), (995, 132364), (1990, 66182), (3980, 33091)]