27425720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2389}}^1$

素因数の和:2448

約数の個数: 64

約数和(自身を含む): 72273600

約数和(自身を除く): 44847880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2389, 2870, 4778, 5740, 9556, 11480, 11945, 16723, 19112, 23890, 33446, 47780, 66892, 83615, 95560, 97949, 133784, 167230, 195898, 334460, 391796, 489745, 668920, 685643, 783592, 979490, 1371286, 1958980, 2742572, 3428215, 3917960, 5485144, 6856430, 13712860, 27425720]

約数ペア:

[(1, 27425720), (2, 13712860), (4, 6856430), (5, 5485144), (7, 3917960), (8, 3428215), (10, 2742572), (14, 1958980), (20, 1371286), (28, 979490), (35, 783592), (40, 685643), (41, 668920), (56, 489745), (70, 391796), (82, 334460), (140, 195898), (164, 167230), (205, 133784), (280, 97949), (287, 95560), (328, 83615), (410, 66892), (574, 47780), (820, 33446), (1148, 23890), (1435, 19112), (1640, 16723), (2296, 11945), (2389, 11480), (2870, 9556), (4778, 5740)]