8748820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 19289088

約数和(自身を除く): 10540268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 137, 155, 206, 274, 310, 412, 515, 548, 620, 685, 1030, 1370, 2060, 2740, 3193, 4247, 6386, 8494, 12772, 14111, 15965, 16988, 21235, 28222, 31930, 42470, 56444, 63860, 70555, 84940, 141110, 282220, 437441, 874882, 1749764, 2187205, 4374410, 8748820]

約数ペア:

[(1, 8748820), (2, 4374410), (4, 2187205), (5, 1749764), (10, 874882), (20, 437441), (31, 282220), (62, 141110), (103, 84940), (124, 70555), (137, 63860), (155, 56444), (206, 42470), (274, 31930), (310, 28222), (412, 21235), (515, 16988), (548, 15965), (620, 14111), (685, 12772), (1030, 8494), (1370, 6386), (2060, 4247), (2740, 3193)]