64689410

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{15439}}^1$

素因数の和:15865

約数の個数: 16

約数和(自身を含む): 116726400

約数和(自身を除く): 52036990

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 15439, 30878, 77195, 154390, 6468941, 12937882, 32344705, 64689410]

約数ペア:

[(1, 64689410), (2, 32344705), (5, 12937882), (10, 6468941), (419, 154390), (838, 77195), (2095, 30878), (4190, 15439)]