65277440

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:659

約数の個数: 80

約数和(自身を含む): 160422768

約数和(自身を除く): 95145328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 593, 640, 688, 860, 1186, 1280, 1376, 1720, 2372, 2560, 2752, 2965, 3440, 4744, 5504, 5930, 6880, 9488, 11008, 11860, 13760, 18976, 22016, 23720, 25499, 27520, 37952, 47440, 50998, 55040, 75904, 94880, 101996, 110080, 127495, 151808, 189760, 203992, 254990, 303616, 379520, 407984, 509980, 759040, 815968, 1019960, 1518080, 1631936, 2039920, 3263872, 4079840, 6527744, 8159680, 13055488, 16319360, 32638720, 65277440]

約数ペア:

[(1, 65277440), (2, 32638720), (4, 16319360), (5, 13055488), (8, 8159680), (10, 6527744), (16, 4079840), (20, 3263872), (32, 2039920), (40, 1631936), (43, 1518080), (64, 1019960), (80, 815968), (86, 759040), (128, 509980), (160, 407984), (172, 379520), (215, 303616), (256, 254990), (320, 203992), (344, 189760), (430, 151808), (512, 127495), (593, 110080), (640, 101996), (688, 94880), (860, 75904), (1186, 55040), (1280, 50998), (1376, 47440), (1720, 37952), (2372, 27520), (2560, 25499), (2752, 23720), (2965, 22016), (3440, 18976), (4744, 13760), (5504, 11860), (5930, 11008), (6880, 9488)]