8286520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{509}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 20930400

約数和(自身を除く): 12643880

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 55, 74, 88, 110, 148, 185, 220, 296, 370, 407, 440, 509, 740, 814, 1018, 1480, 1628, 2035, 2036, 2545, 3256, 4070, 4072, 5090, 5599, 8140, 10180, 11198, 16280, 18833, 20360, 22396, 27995, 37666, 44792, 55990, 75332, 94165, 111980, 150664, 188330, 207163, 223960, 376660, 414326, 753320, 828652, 1035815, 1657304, 2071630, 4143260, 8286520]

約数ペア:

[(1, 8286520), (2, 4143260), (4, 2071630), (5, 1657304), (8, 1035815), (10, 828652), (11, 753320), (20, 414326), (22, 376660), (37, 223960), (40, 207163), (44, 188330), (55, 150664), (74, 111980), (88, 94165), (110, 75332), (148, 55990), (185, 44792), (220, 37666), (296, 27995), (370, 22396), (407, 20360), (440, 18833), (509, 16280), (740, 11198), (814, 10180), (1018, 8140), (1480, 5599), (1628, 5090), (2035, 4072), (2036, 4070), (2545, 3256)]