68894800

素因数分解:

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

素因数の和:13280

約数の個数: 60

約数和(自身を含む): 178265500

約数和(自身を除く): 109370700

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 13249, 26498, 52996, 66245, 105992, 132490, 172237, 211984, 264980, 331225, 344474, 529960, 662450, 688948, 861185, 1059920, 1324900, 1377896, 1722370, 2649800, 2755792, 3444740, 4305925, 5299600, 6889480, 8611850, 13778960, 17223700, 34447400, 68894800]

約数ペア:

[(1, 68894800), (2, 34447400), (4, 17223700), (5, 13778960), (8, 8611850), (10, 6889480), (13, 5299600), (16, 4305925), (20, 3444740), (25, 2755792), (26, 2649800), (40, 1722370), (50, 1377896), (52, 1324900), (65, 1059920), (80, 861185), (100, 688948), (104, 662450), (130, 529960), (200, 344474), (208, 331225), (260, 264980), (325, 211984), (400, 172237), (520, 132490), (650, 105992), (1040, 66245), (1300, 52996), (2600, 26498), (5200, 13249)]