2840660

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{821}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 6007176

約数和(自身を除く): 3166516

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 821, 865, 1642, 1730, 3284, 3460, 4105, 8210, 16420, 142033, 284066, 568132, 710165, 1420330, 2840660]

約数ペア:

[(1, 2840660), (2, 1420330), (4, 710165), (5, 568132), (10, 284066), (20, 142033), (173, 16420), (346, 8210), (692, 4105), (821, 3460), (865, 3284), (1642, 1730)]