131206840

素因数分解:

$2^3\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{3121}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 295590960

約数和(自身を除く): 164384120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1051, 2102, 3121, 4204, 5255, 6242, 8408, 10510, 12484, 15605, 21020, 24968, 31210, 42040, 62420, 124840, 3280171, 6560342, 13120684, 16400855, 26241368, 32801710, 65603420, 131206840]

約数ペア:

[(1, 131206840), (2, 65603420), (4, 32801710), (5, 26241368), (8, 16400855), (10, 13120684), (20, 6560342), (40, 3280171), (1051, 124840), (2102, 62420), (3121, 42040), (4204, 31210), (5255, 24968), (6242, 21020), (8408, 15605), (10510, 12484)]