78975520

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:954

約数の個数: 96

約数和(自身を含む): 205837632

約数和(自身を除く): 126862112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 65, 80, 86, 104, 130, 160, 172, 208, 215, 260, 344, 416, 430, 520, 559, 688, 860, 883, 1040, 1118, 1376, 1720, 1766, 2080, 2236, 2795, 3440, 3532, 4415, 4472, 5590, 6880, 7064, 8830, 8944, 11180, 11479, 14128, 17660, 17888, 22360, 22958, 28256, 35320, 37969, 44720, 45916, 57395, 70640, 75938, 89440, 91832, 114790, 141280, 151876, 183664, 189845, 229580, 303752, 367328, 379690, 459160, 493597, 607504, 759380, 918320, 987194, 1215008, 1518760, 1836640, 1974388, 2467985, 3037520, 3948776, 4935970, 6075040, 7897552, 9871940, 15795104, 19743880, 39487760, 78975520]

約数ペア:

[(1, 78975520), (2, 39487760), (4, 19743880), (5, 15795104), (8, 9871940), (10, 7897552), (13, 6075040), (16, 4935970), (20, 3948776), (26, 3037520), (32, 2467985), (40, 1974388), (43, 1836640), (52, 1518760), (65, 1215008), (80, 987194), (86, 918320), (104, 759380), (130, 607504), (160, 493597), (172, 459160), (208, 379690), (215, 367328), (260, 303752), (344, 229580), (416, 189845), (430, 183664), (520, 151876), (559, 141280), (688, 114790), (860, 91832), (883, 89440), (1040, 75938), (1118, 70640), (1376, 57395), (1720, 45916), (1766, 44720), (2080, 37969), (2236, 35320), (2795, 28256), (3440, 22958), (3532, 22360), (4415, 17888), (4472, 17660), (5590, 14128), (6880, 11479), (7064, 11180), (8830, 8944)]