1330540

素因数分解:

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

素因数の和:1017

約数の個数: 24

約数和(自身を含む): 2836512

約数和(自身を除く): 1505972

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 937, 1420, 1874, 3748, 4685, 9370, 18740, 66527, 133054, 266108, 332635, 665270, 1330540]

約数ペア:

[(1, 1330540), (2, 665270), (4, 332635), (5, 266108), (10, 133054), (20, 66527), (71, 18740), (142, 9370), (284, 4685), (355, 3748), (710, 1874), (937, 1420)]