26775280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:506

約数の個数: 80

約数和(自身を含む): 71870400

約数和(自身を除く): 45095120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 349, 548, 560, 685, 698, 959, 1096, 1370, 1396, 1745, 1918, 2192, 2443, 2740, 2792, 3490, 3836, 4795, 4886, 5480, 5584, 6980, 7672, 9590, 9772, 10960, 12215, 13960, 15344, 19180, 19544, 24430, 27920, 38360, 39088, 47813, 48860, 76720, 95626, 97720, 191252, 195440, 239065, 334691, 382504, 478130, 669382, 765008, 956260, 1338764, 1673455, 1912520, 2677528, 3346910, 3825040, 5355056, 6693820, 13387640, 26775280]

約数ペア:

[(1, 26775280), (2, 13387640), (4, 6693820), (5, 5355056), (7, 3825040), (8, 3346910), (10, 2677528), (14, 1912520), (16, 1673455), (20, 1338764), (28, 956260), (35, 765008), (40, 669382), (56, 478130), (70, 382504), (80, 334691), (112, 239065), (137, 195440), (140, 191252), (274, 97720), (280, 95626), (349, 76720), (548, 48860), (560, 47813), (685, 39088), (698, 38360), (959, 27920), (1096, 24430), (1370, 19544), (1396, 19180), (1745, 15344), (1918, 13960), (2192, 12215), (2443, 10960), (2740, 9772), (2792, 9590), (3490, 7672), (3836, 6980), (4795, 5584), (4886, 5480)]