78441140

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2029}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 164892840

約数和(自身を除く): 86451700

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2029, 3866, 4058, 7732, 8116, 9665, 10145, 19330, 20290, 38660, 40580, 3922057, 7844114, 15688228, 19610285, 39220570, 78441140]

約数ペア:

[(1, 78441140), (2, 39220570), (4, 19610285), (5, 15688228), (10, 7844114), (20, 3922057), (1933, 40580), (2029, 38660), (3866, 20290), (4058, 19330), (7732, 10145), (8116, 9665)]