1282169636980

素因数分解:

$2^2\times 5^1\times {\mathrm{72161}}^1\times {\mathrm{888409}}^1$

素因数の和:960579

約数の個数: 24

約数和(自身を含む): 2692596581640

約数和(自身を除く): 1410426944660

約数列:

[1, 2, 4, 5, 10, 20, 72161, 144322, 288644, 360805, 721610, 888409, 1443220, 1776818, 3553636, 4442045, 8884090, 17768180, 64108481849, 128216963698, 256433927396, 320542409245, 641084818490, 1282169636980]

約数ペア:

[(1, 1282169636980), (2, 641084818490), (4, 320542409245), (5, 256433927396), (10, 128216963698), (20, 64108481849), (72161, 17768180), (144322, 8884090), (288644, 4442045), (360805, 3553636), (721610, 1776818), (888409, 1443220)]