88655720

素因数分解:

$2^3\times 5^1\times {\mathrm{1087}}^1\times {\mathrm{2039}}^1$

素因数の和:3137

約数の個数: 32

約数和(自身を含む): 199756800

約数和(自身を除く): 111101080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1087, 2039, 2174, 4078, 4348, 5435, 8156, 8696, 10195, 10870, 16312, 20390, 21740, 40780, 43480, 81560, 2216393, 4432786, 8865572, 11081965, 17731144, 22163930, 44327860, 88655720]

約数ペア:

[(1, 88655720), (2, 44327860), (4, 22163930), (5, 17731144), (8, 11081965), (10, 8865572), (20, 4432786), (40, 2216393), (1087, 81560), (2039, 43480), (2174, 40780), (4078, 21740), (4348, 20390), (5435, 16312), (8156, 10870), (8696, 10195)]