51141640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2473}}^1$

素因数の和:2542

約数の個数: 64

約数和(自身を含む): 128252160

約数和(自身を除く): 77110520

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, 1880, 2068, 2473, 2585, 4136, 4946, 5170, 9892, 10340, 12365, 19784, 20680, 24730, 27203, 49460, 54406, 98920, 108812, 116231, 136015, 217624, 232462, 272030, 464924, 544060, 581155, 929848, 1088120, 1162310, 1278541, 2324620, 2557082, 4649240, 5114164, 6392705, 10228328, 12785410, 25570820, 51141640]

約数ペア:

[(1, 51141640), (2, 25570820), (4, 12785410), (5, 10228328), (8, 6392705), (10, 5114164), (11, 4649240), (20, 2557082), (22, 2324620), (40, 1278541), (44, 1162310), (47, 1088120), (55, 929848), (88, 581155), (94, 544060), (110, 464924), (188, 272030), (220, 232462), (235, 217624), (376, 136015), (440, 116231), (470, 108812), (517, 98920), (940, 54406), (1034, 49460), (1880, 27203), (2068, 24730), (2473, 20680), (2585, 19784), (4136, 12365), (4946, 10340), (5170, 9892)]