87730840

素因数分解:

$2^3\times 5^1\times {\mathrm{2193271}}^1$

素因数の和:2193282

約数の個数: 16

約数和(自身を含む): 197394480

約数和(自身を除く): 109663640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2193271, 4386542, 8773084, 10966355, 17546168, 21932710, 43865420, 87730840]

約数ペア:

[(1, 87730840), (2, 43865420), (4, 21932710), (5, 17546168), (8, 10966355), (10, 8773084), (20, 4386542), (40, 2193271)]