3963220

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2871

約数の個数: 24

約数和(自身を含む): 8443008

約数和(自身を除く): 4479788

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 2791, 5582, 11164, 13955, 27910, 55820, 198161, 396322, 792644, 990805, 1981610, 3963220]

約数ペア:

[(1, 3963220), (2, 1981610), (4, 990805), (5, 792644), (10, 396322), (20, 198161), (71, 55820), (142, 27910), (284, 13955), (355, 11164), (710, 5582), (1420, 2791)]