13778960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13249}}^1$

素因数の和:13275

約数の個数: 40

約数和(自身を含む): 34503000

約数和(自身を除く): 20724040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 13249, 26498, 52996, 66245, 105992, 132490, 172237, 211984, 264980, 344474, 529960, 688948, 861185, 1059920, 1377896, 1722370, 2755792, 3444740, 6889480, 13778960]

約数ペア:

[(1, 13778960), (2, 6889480), (4, 3444740), (5, 2755792), (8, 1722370), (10, 1377896), (13, 1059920), (16, 861185), (20, 688948), (26, 529960), (40, 344474), (52, 264980), (65, 211984), (80, 172237), (104, 132490), (130, 105992), (208, 66245), (260, 52996), (520, 26498), (1040, 13249)]