64540870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{137321}}^1$

素因数の和:137375

約数の個数: 16

約数和(自身を含む): 118646208

約数和(自身を除く): 54105338

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 137321, 274642, 686605, 1373210, 6454087, 12908174, 32270435, 64540870]

約数ペア:

[(1, 64540870), (2, 32270435), (5, 12908174), (10, 6454087), (47, 1373210), (94, 686605), (235, 274642), (470, 137321)]