2661080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{937}}^1$

素因数の和:1019

約数の個数: 32

約数和(自身を含む): 6078240

約数和(自身を除く): 3417160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 937, 1420, 1874, 2840, 3748, 4685, 7496, 9370, 18740, 37480, 66527, 133054, 266108, 332635, 532216, 665270, 1330540, 2661080]

約数ペア:

[(1, 2661080), (2, 1330540), (4, 665270), (5, 532216), (8, 332635), (10, 266108), (20, 133054), (40, 66527), (71, 37480), (142, 18740), (284, 9370), (355, 7496), (568, 4685), (710, 3748), (937, 2840), (1420, 1874)]