1238624140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4763939}}^1$

素因数の和:4763961

約数の個数: 24

約数和(自身を含む): 2801196720

約数和(自身を除く): 1562572580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4763939, 9527878, 19055756, 23819695, 47639390, 61931207, 95278780, 123862414, 247724828, 309656035, 619312070, 1238624140]

約数ペア:

[(1, 1238624140), (2, 619312070), (4, 309656035), (5, 247724828), (10, 123862414), (13, 95278780), (20, 61931207), (26, 47639390), (52, 23819695), (65, 19055756), (130, 9527878), (260, 4763939)]