12239920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1987}}^1$

素因数の和:2018

約数の個数: 80

約数和(自身を含む): 35497728

約数和(自身を除く): 23257808

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 1987, 3080, 3974, 6160, 7948, 9935, 13909, 15896, 19870, 21857, 27818, 31792, 39740, 43714, 55636, 69545, 79480, 87428, 109285, 111272, 139090, 152999, 158960, 174856, 218570, 222544, 278180, 305998, 349712, 437140, 556360, 611996, 764995, 874280, 1112720, 1223992, 1529990, 1748560, 2447984, 3059980, 6119960, 12239920]

約数ペア:

[(1, 12239920), (2, 6119960), (4, 3059980), (5, 2447984), (7, 1748560), (8, 1529990), (10, 1223992), (11, 1112720), (14, 874280), (16, 764995), (20, 611996), (22, 556360), (28, 437140), (35, 349712), (40, 305998), (44, 278180), (55, 222544), (56, 218570), (70, 174856), (77, 158960), (80, 152999), (88, 139090), (110, 111272), (112, 109285), (140, 87428), (154, 79480), (176, 69545), (220, 55636), (280, 43714), (308, 39740), (385, 31792), (440, 27818), (560, 21857), (616, 19870), (770, 15896), (880, 13909), (1232, 9935), (1540, 7948), (1987, 6160), (3080, 3974)]