39639680

素因数分解:

$2^7\times 5^1\times {\mathrm{241}}^1\times {\mathrm{257}}^1$

素因数の和:517

約数の個数: 64

約数和(自身を含む): 95527080

約数和(自身を除く): 55887400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 241, 257, 320, 482, 514, 640, 964, 1028, 1205, 1285, 1928, 2056, 2410, 2570, 3856, 4112, 4820, 5140, 7712, 8224, 9640, 10280, 15424, 16448, 19280, 20560, 30848, 32896, 38560, 41120, 61937, 77120, 82240, 123874, 154240, 164480, 247748, 309685, 495496, 619370, 990992, 1238740, 1981984, 2477480, 3963968, 4954960, 7927936, 9909920, 19819840, 39639680]

約数ペア:

[(1, 39639680), (2, 19819840), (4, 9909920), (5, 7927936), (8, 4954960), (10, 3963968), (16, 2477480), (20, 1981984), (32, 1238740), (40, 990992), (64, 619370), (80, 495496), (128, 309685), (160, 247748), (241, 164480), (257, 154240), (320, 123874), (482, 82240), (514, 77120), (640, 61937), (964, 41120), (1028, 38560), (1205, 32896), (1285, 30848), (1928, 20560), (2056, 19280), (2410, 16448), (2570, 15424), (3856, 10280), (4112, 9640), (4820, 8224), (5140, 7712)]