12973180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 30048480

約数和(自身を除く): 17075300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 541, 545, 1082, 1090, 1199, 2164, 2180, 2398, 2705, 4796, 5410, 5951, 5995, 10820, 11902, 11990, 23804, 23980, 29755, 58969, 59510, 117938, 119020, 235876, 294845, 589690, 648659, 1179380, 1297318, 2594636, 3243295, 6486590, 12973180]

約数ペア:

[(1, 12973180), (2, 6486590), (4, 3243295), (5, 2594636), (10, 1297318), (11, 1179380), (20, 648659), (22, 589690), (44, 294845), (55, 235876), (109, 119020), (110, 117938), (218, 59510), (220, 58969), (436, 29755), (541, 23980), (545, 23804), (1082, 11990), (1090, 11902), (1199, 10820), (2164, 5995), (2180, 5951), (2398, 5410), (2705, 4796)]