87318760

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{2081}}^1$

素因数の和:3141

約数の個数: 32

約数和(自身を含む): 196749000

約数和(自身を除く): 109430240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2081, 2098, 4162, 4196, 5245, 8324, 8392, 10405, 10490, 16648, 20810, 20980, 41620, 41960, 83240, 2182969, 4365938, 8731876, 10914845, 17463752, 21829690, 43659380, 87318760]

約数ペア:

[(1, 87318760), (2, 43659380), (4, 21829690), (5, 17463752), (8, 10914845), (10, 8731876), (20, 4365938), (40, 2182969), (1049, 83240), (2081, 41960), (2098, 41620), (4162, 20980), (4196, 20810), (5245, 16648), (8324, 10490), (8392, 10405)]