20162590640

素因数分解:

$2^4\times 5^1\times {\mathrm{1741}}^1\times {\mathrm{144763}}^1$

素因数の和:146517

約数の個数: 40

約数和(自身を含む): 46905273168

約数和(自身を除く): 26742682528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1741, 3482, 6964, 8705, 13928, 17410, 27856, 34820, 69640, 139280, 144763, 289526, 579052, 723815, 1158104, 1447630, 2316208, 2895260, 5790520, 11581040, 252032383, 504064766, 1008129532, 1260161915, 2016259064, 2520323830, 4032518128, 5040647660, 10081295320, 20162590640]

約数ペア:

[(1, 20162590640), (2, 10081295320), (4, 5040647660), (5, 4032518128), (8, 2520323830), (10, 2016259064), (16, 1260161915), (20, 1008129532), (40, 504064766), (80, 252032383), (1741, 11581040), (3482, 5790520), (6964, 2895260), (8705, 2316208), (13928, 1447630), (17410, 1158104), (27856, 723815), (34820, 579052), (69640, 289526), (139280, 144763)]