13250840

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{983}}^1$

素因数の和:1331

約数の個数: 32

約数和(自身を含む): 29933280

約数和(自身を除く): 16682440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 983, 1348, 1685, 1966, 2696, 3370, 3932, 4915, 6740, 7864, 9830, 13480, 19660, 39320, 331271, 662542, 1325084, 1656355, 2650168, 3312710, 6625420, 13250840]

約数ペア:

[(1, 13250840), (2, 6625420), (4, 3312710), (5, 2650168), (8, 1656355), (10, 1325084), (20, 662542), (40, 331271), (337, 39320), (674, 19660), (983, 13480), (1348, 9830), (1685, 7864), (1966, 6740), (2696, 4915), (3370, 3932)]