166494640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160091}}^1$

素因数の和:160117

約数の個数: 40

約数和(自身を含む): 416879568

約数和(自身を除く): 250384928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 160091, 320182, 640364, 800455, 1280728, 1600910, 2081183, 2561456, 3201820, 4162366, 6403640, 8324732, 10405915, 12807280, 16649464, 20811830, 33298928, 41623660, 83247320, 166494640]

約数ペア:

[(1, 166494640), (2, 83247320), (4, 41623660), (5, 33298928), (8, 20811830), (10, 16649464), (13, 12807280), (16, 10405915), (20, 8324732), (26, 6403640), (40, 4162366), (52, 3201820), (65, 2561456), (80, 2081183), (104, 1600910), (130, 1280728), (208, 800455), (260, 640364), (520, 320182), (1040, 160091)]