20170518280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1478777}}^1$

素因数の和:1478830

約数の個数: 64

約数和(自身を含む): 51106567680

約数和(自身を除く): 30936049400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 1478777, 2957554, 5915108, 7393885, 11830216, 14787770, 16266547, 29575540, 32533094, 45842087, 59151080, 65066188, 81332735, 91684174, 130132376, 162665470, 183368348, 229210435, 325330940, 366736696, 458420870, 504262957, 650661880, 916841740, 1008525914, 1833683480, 2017051828, 2521314785, 4034103656, 5042629570, 10085259140, 20170518280]

約数ペア:

[(1, 20170518280), (2, 10085259140), (4, 5042629570), (5, 4034103656), (8, 2521314785), (10, 2017051828), (11, 1833683480), (20, 1008525914), (22, 916841740), (31, 650661880), (40, 504262957), (44, 458420870), (55, 366736696), (62, 325330940), (88, 229210435), (110, 183368348), (124, 162665470), (155, 130132376), (220, 91684174), (248, 81332735), (310, 65066188), (341, 59151080), (440, 45842087), (620, 32533094), (682, 29575540), (1240, 16266547), (1364, 14787770), (1705, 11830216), (2728, 7393885), (3410, 5915108), (6820, 2957554), (13640, 1478777)]