11187880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 28097280

約数和(自身を除く): 16909400

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, 541, 940, 1034, 1082, 1880, 2068, 2164, 2585, 2705, 4136, 4328, 5170, 5410, 5951, 10340, 10820, 11902, 20680, 21640, 23804, 25427, 29755, 47608, 50854, 59510, 101708, 119020, 127135, 203416, 238040, 254270, 279697, 508540, 559394, 1017080, 1118788, 1398485, 2237576, 2796970, 5593940, 11187880]

約数ペア:

[(1, 11187880), (2, 5593940), (4, 2796970), (5, 2237576), (8, 1398485), (10, 1118788), (11, 1017080), (20, 559394), (22, 508540), (40, 279697), (44, 254270), (47, 238040), (55, 203416), (88, 127135), (94, 119020), (110, 101708), (188, 59510), (220, 50854), (235, 47608), (376, 29755), (440, 25427), (470, 23804), (517, 21640), (541, 20680), (940, 11902), (1034, 10820), (1082, 10340), (1880, 5951), (2068, 5410), (2164, 5170), (2585, 4328), (2705, 4136)]