87408080

素因数分解:

$2^4\times 5^1\times {\mathrm{1092601}}^1$

素因数の和:1092614

約数の個数: 20

約数和(自身を含む): 203223972

約数和(自身を除く): 115815892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1092601, 2185202, 4370404, 5463005, 8740808, 10926010, 17481616, 21852020, 43704040, 87408080]

約数ペア:

[(1, 87408080), (2, 43704040), (4, 21852020), (5, 17481616), (8, 10926010), (10, 8740808), (16, 5463005), (20, 4370404), (40, 2185202), (80, 1092601)]