39720145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2351}}^1$

素因数の和:2496

約数の個数: 16

約数和(自身を含む): 49674240

約数和(自身を除く): 9954095

約数列:

[1, 5, 31, 109, 155, 545, 2351, 3379, 11755, 16895, 72881, 256259, 364405, 1281295, 7944029, 39720145]

約数ペア:

[(1, 39720145), (5, 7944029), (31, 1281295), (109, 364405), (155, 256259), (545, 72881), (2351, 16895), (3379, 11755)]