25570820

素因数分解:

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

素因数の和:2540

約数の個数: 48

約数和(自身を含む): 59851008

約数和(自身を除く): 34280188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 2068, 2473, 2585, 4946, 5170, 9892, 10340, 12365, 24730, 27203, 49460, 54406, 108812, 116231, 136015, 232462, 272030, 464924, 544060, 581155, 1162310, 1278541, 2324620, 2557082, 5114164, 6392705, 12785410, 25570820]

約数ペア:

[(1, 25570820), (2, 12785410), (4, 6392705), (5, 5114164), (10, 2557082), (11, 2324620), (20, 1278541), (22, 1162310), (44, 581155), (47, 544060), (55, 464924), (94, 272030), (110, 232462), (188, 136015), (220, 116231), (235, 108812), (470, 54406), (517, 49460), (940, 27203), (1034, 24730), (2068, 12365), (2473, 10340), (2585, 9892), (4946, 5170)]