26821960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1297}}^1$

素因数の和:1366

約数の個数: 64

約数和(自身を含む): 67288320

約数和(自身を除く): 40466360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 88, 94, 110, 188, 220, 235, 376, 440, 470, 517, 940, 1034, 1297, 1880, 2068, 2585, 2594, 4136, 5170, 5188, 6485, 10340, 10376, 12970, 14267, 20680, 25940, 28534, 51880, 57068, 60959, 71335, 114136, 121918, 142670, 243836, 285340, 304795, 487672, 570680, 609590, 670549, 1219180, 1341098, 2438360, 2682196, 3352745, 5364392, 6705490, 13410980, 26821960]

約数ペア:

[(1, 26821960), (2, 13410980), (4, 6705490), (5, 5364392), (8, 3352745), (10, 2682196), (11, 2438360), (20, 1341098), (22, 1219180), (40, 670549), (44, 609590), (47, 570680), (55, 487672), (88, 304795), (94, 285340), (110, 243836), (188, 142670), (220, 121918), (235, 114136), (376, 71335), (440, 60959), (470, 57068), (517, 51880), (940, 28534), (1034, 25940), (1297, 20680), (1880, 14267), (2068, 12970), (2585, 10376), (2594, 10340), (4136, 6485), (5170, 5188)]