13487080

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1949}}^1$

素因数の和:2133

約数の個数: 32

約数和(自身を含む): 30537000

約数和(自身を除く): 17049920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 1949, 3460, 3898, 6920, 7796, 9745, 15592, 19490, 38980, 77960, 337177, 674354, 1348708, 1685885, 2697416, 3371770, 6743540, 13487080]

約数ペア:

[(1, 13487080), (2, 6743540), (4, 3371770), (5, 2697416), (8, 1685885), (10, 1348708), (20, 674354), (40, 337177), (173, 77960), (346, 38980), (692, 19490), (865, 15592), (1384, 9745), (1730, 7796), (1949, 6920), (3460, 3898)]