40563220

素因数分解:

$2^2\times 5^1\times {\mathrm{1291}}^1\times {\mathrm{1571}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 85303008

約数和(自身を除く): 44739788

約数列:

[1, 2, 4, 5, 10, 20, 1291, 1571, 2582, 3142, 5164, 6284, 6455, 7855, 12910, 15710, 25820, 31420, 2028161, 4056322, 8112644, 10140805, 20281610, 40563220]

約数ペア:

[(1, 40563220), (2, 20281610), (4, 10140805), (5, 8112644), (10, 4056322), (20, 2028161), (1291, 31420), (1571, 25820), (2582, 15710), (3142, 12910), (5164, 7855), (6284, 6455)]