67870840

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{3779}}^1$

素因数の和:4239

約数の個数: 32

約数和(自身を含む): 153090000

約数和(自身を除く): 85219160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 1796, 2245, 3592, 3779, 4490, 7558, 8980, 15116, 17960, 18895, 30232, 37790, 75580, 151160, 1696771, 3393542, 6787084, 8483855, 13574168, 16967710, 33935420, 67870840]

約数ペア:

[(1, 67870840), (2, 33935420), (4, 16967710), (5, 13574168), (8, 8483855), (10, 6787084), (20, 3393542), (40, 1696771), (449, 151160), (898, 75580), (1796, 37790), (2245, 30232), (3592, 18895), (3779, 17960), (4490, 15116), (7558, 8980)]