156819070

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{39107}}^1$

素因数の和:39515

約数の個数: 16

約数和(自身を含む): 282985488

約数和(自身を除く): 126166418

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 39107, 78214, 195535, 391070, 15681907, 31363814, 78409535, 156819070]

約数ペア:

[(1, 156819070), (2, 78409535), (5, 31363814), (10, 15681907), (401, 391070), (802, 195535), (2005, 78214), (4010, 39107)]