26530280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2311}}^1$

素因数の和:2370

約数の個数: 64

約数和(自身を含む): 69914880

約数和(自身を除く): 43384600

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, 2311, 2870, 4622, 5740, 9244, 11480, 11555, 16177, 18488, 23110, 32354, 46220, 64708, 80885, 92440, 94751, 129416, 161770, 189502, 323540, 379004, 473755, 647080, 663257, 758008, 947510, 1326514, 1895020, 2653028, 3316285, 3790040, 5306056, 6632570, 13265140, 26530280]

約数ペア:

[(1, 26530280), (2, 13265140), (4, 6632570), (5, 5306056), (7, 3790040), (8, 3316285), (10, 2653028), (14, 1895020), (20, 1326514), (28, 947510), (35, 758008), (40, 663257), (41, 647080), (56, 473755), (70, 379004), (82, 323540), (140, 189502), (164, 161770), (205, 129416), (280, 94751), (287, 92440), (328, 80885), (410, 64708), (574, 46220), (820, 32354), (1148, 23110), (1435, 18488), (1640, 16177), (2296, 11555), (2311, 11480), (2870, 9244), (4622, 5740)]