12896204560

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1\times {\mathrm{1373}}^1$

素因数の和:2380

約数の個数: 80

約数和(自身を含む): 30259799856

約数和(自身を除く): 17363595296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 857, 1096, 1370, 1373, 1714, 2192, 2740, 2746, 3428, 4285, 5480, 5492, 6856, 6865, 8570, 10960, 10984, 13712, 13730, 17140, 21968, 27460, 34280, 54920, 68560, 109840, 117409, 188101, 234818, 376202, 469636, 587045, 752404, 939272, 940505, 1174090, 1176661, 1504808, 1878544, 1881010, 2348180, 2353322, 3009616, 3762020, 4696360, 4706644, 5883305, 7524040, 9392720, 9413288, 11766610, 15048080, 18826576, 23533220, 47066440, 94132880, 161202557, 322405114, 644810228, 806012785, 1289620456, 1612025570, 2579240912, 3224051140, 6448102280, 12896204560]

約数ペア:

[(1, 12896204560), (2, 6448102280), (4, 3224051140), (5, 2579240912), (8, 1612025570), (10, 1289620456), (16, 806012785), (20, 644810228), (40, 322405114), (80, 161202557), (137, 94132880), (274, 47066440), (548, 23533220), (685, 18826576), (857, 15048080), (1096, 11766610), (1370, 9413288), (1373, 9392720), (1714, 7524040), (2192, 5883305), (2740, 4706644), (2746, 4696360), (3428, 3762020), (4285, 3009616), (5480, 2353322), (5492, 2348180), (6856, 1881010), (6865, 1878544), (8570, 1504808), (10960, 1176661), (10984, 1174090), (13712, 940505), (13730, 939272), (17140, 752404), (21968, 587045), (27460, 469636), (34280, 376202), (54920, 234818), (68560, 188101), (109840, 117409)]