13284880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3389}}^1$

素因数の和:3416

約数の個数: 60

約数和(自身を含む): 35940780

約数和(自身を除く): 22655900

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3389, 3920, 6778, 13556, 16945, 23723, 27112, 33890, 47446, 54224, 67780, 94892, 118615, 135560, 166061, 189784, 237230, 271120, 332122, 379568, 474460, 664244, 830305, 948920, 1328488, 1660610, 1897840, 2656976, 3321220, 6642440, 13284880]

約数ペア:

[(1, 13284880), (2, 6642440), (4, 3321220), (5, 2656976), (7, 1897840), (8, 1660610), (10, 1328488), (14, 948920), (16, 830305), (20, 664244), (28, 474460), (35, 379568), (40, 332122), (49, 271120), (56, 237230), (70, 189784), (80, 166061), (98, 135560), (112, 118615), (140, 94892), (196, 67780), (245, 54224), (280, 47446), (392, 33890), (490, 27112), (560, 23723), (784, 16945), (980, 13556), (1960, 6778), (3389, 3920)]