64600820

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{21391}}^1$

素因数の和:21551

約数の個数: 24

約数和(自身を含む): 136566528

約数和(自身を除く): 71965708

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 21391, 42782, 85564, 106955, 213910, 427820, 3230041, 6460082, 12920164, 16150205, 32300410, 64600820]

約数ペア:

[(1, 64600820), (2, 32300410), (4, 16150205), (5, 12920164), (10, 6460082), (20, 3230041), (151, 427820), (302, 213910), (604, 106955), (755, 85564), (1510, 42782), (3020, 21391)]