13513840

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:937

約数の個数: 40

約数和(自身を含む): 31591728

約数和(自身を除く): 18077888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 502, 673, 1004, 1255, 1346, 2008, 2510, 2692, 3365, 4016, 5020, 5384, 6730, 10040, 10768, 13460, 20080, 26920, 53840, 168923, 337846, 675692, 844615, 1351384, 1689230, 2702768, 3378460, 6756920, 13513840]

約数ペア:

[(1, 13513840), (2, 6756920), (4, 3378460), (5, 2702768), (8, 1689230), (10, 1351384), (16, 844615), (20, 675692), (40, 337846), (80, 168923), (251, 53840), (502, 26920), (673, 20080), (1004, 13460), (1255, 10768), (1346, 10040), (2008, 6730), (2510, 5384), (2692, 5020), (3365, 4016)]