640310224790

素因数分解:

$2^1\times 5^1\times {\mathrm{3270727}}^1\times {\mathrm{19577}}^1$

素因数の和:3290311

約数の個数: 16

約数和(自身を含む): 1152617630112

約数和(自身を除く): 512307405322

約数列:

[1, 2, 5, 10, 19577, 39154, 97885, 195770, 3270727, 6541454, 16353635, 32707270, 64031022479, 128062044958, 320155112395, 640310224790]

約数ペア:

[(1, 640310224790), (2, 320155112395), (5, 128062044958), (10, 64031022479), (19577, 32707270), (39154, 16353635), (97885, 6541454), (195770, 3270727)]