38721670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{10271}}^1$

素因数の和:10320

約数の個数: 32

約数和(自身を含む): 77656320

約数和(自身を除く): 38934650

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 10271, 20542, 51355, 102710, 133523, 267046, 297859, 595718, 667615, 1335230, 1489295, 2978590, 3872167, 7744334, 19360835, 38721670]

約数ペア:

[(1, 38721670), (2, 19360835), (5, 7744334), (10, 3872167), (13, 2978590), (26, 1489295), (29, 1335230), (58, 667615), (65, 595718), (130, 297859), (145, 267046), (290, 133523), (377, 102710), (754, 51355), (1885, 20542), (3770, 10271)]