64621210

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{81799}}^1$

素因数の和:81885

約数の個数: 16

約数和(自身を含む): 117792000

約数和(自身を除く): 53170790

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 81799, 163598, 408995, 817990, 6462121, 12924242, 32310605, 64621210]

約数ペア:

[(1, 64621210), (2, 32310605), (5, 12924242), (10, 6462121), (79, 817990), (158, 408995), (395, 163598), (790, 81799)]