39487760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:952

約数の個数: 80

約数和(自身を含む): 101285184

約数和(自身を除く): 61797424

約数列:

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

約数ペア:

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