13537840

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{859}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 31672080

約数和(自身を除く): 18134240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 859, 985, 1576, 1718, 1970, 3152, 3436, 3940, 4295, 6872, 7880, 8590, 13744, 15760, 17180, 34360, 68720, 169223, 338446, 676892, 846115, 1353784, 1692230, 2707568, 3384460, 6768920, 13537840]

約数ペア:

[(1, 13537840), (2, 6768920), (4, 3384460), (5, 2707568), (8, 1692230), (10, 1353784), (16, 846115), (20, 676892), (40, 338446), (80, 169223), (197, 68720), (394, 34360), (788, 17180), (859, 15760), (985, 13744), (1576, 8590), (1718, 7880), (1970, 6872), (3152, 4295), (3436, 3940)]