40421140

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25583}}^1$

素因数の和:25671

約数の個数: 24

約数和(自身を含む): 85962240

約数和(自身を除く): 45541100

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 25583, 51166, 102332, 127915, 255830, 511660, 2021057, 4042114, 8084228, 10105285, 20210570, 40421140]

約数ペア:

[(1, 40421140), (2, 20210570), (4, 10105285), (5, 8084228), (10, 4042114), (20, 2021057), (79, 511660), (158, 255830), (316, 127915), (395, 102332), (790, 51166), (1580, 25583)]