66987020

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{90523}}^1$

素因数の和:90569

約数の個数: 24

約数和(自身を含む): 144476304

約数和(自身を除く): 77489284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 90523, 181046, 362092, 452615, 905230, 1810460, 3349351, 6698702, 13397404, 16746755, 33493510, 66987020]

約数ペア:

[(1, 66987020), (2, 33493510), (4, 16746755), (5, 13397404), (10, 6698702), (20, 3349351), (37, 1810460), (74, 905230), (148, 452615), (185, 362092), (370, 181046), (740, 90523)]