64001855

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{5417}}^1$

素因数の和:5578

約数の個数: 16

約数和(自身を含む): 81920160

約数和(自身を除く): 17918305

約数列:

[1, 5, 17, 85, 139, 695, 2363, 5417, 11815, 27085, 92089, 460445, 752963, 3764815, 12800371, 64001855]

約数ペア:

[(1, 64001855), (5, 12800371), (17, 3764815), (85, 752963), (139, 460445), (695, 92089), (2363, 27085), (5417, 11815)]