55213480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6361}}^1$

素因数の和:6410

約数の個数: 64

約数和(自身を含む): 146580480

約数和(自身を除く): 91367000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 6361, 8680, 12722, 25444, 31805, 44527, 50888, 63610, 89054, 127220, 178108, 197191, 222635, 254440, 356216, 394382, 445270, 788764, 890540, 985955, 1380337, 1577528, 1781080, 1971910, 2760674, 3943820, 5521348, 6901685, 7887640, 11042696, 13803370, 27606740, 55213480]

約数ペア:

[(1, 55213480), (2, 27606740), (4, 13803370), (5, 11042696), (7, 7887640), (8, 6901685), (10, 5521348), (14, 3943820), (20, 2760674), (28, 1971910), (31, 1781080), (35, 1577528), (40, 1380337), (56, 985955), (62, 890540), (70, 788764), (124, 445270), (140, 394382), (155, 356216), (217, 254440), (248, 222635), (280, 197191), (310, 178108), (434, 127220), (620, 89054), (868, 63610), (1085, 50888), (1240, 44527), (1736, 31805), (2170, 25444), (4340, 12722), (6361, 8680)]