2005686040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{486817}}^1$

素因数の和:486931

約数の個数: 32

約数和(自身を含む): 4556616480

約数和(自身を除く): 2550930440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 486817, 973634, 1947268, 2434085, 3894536, 4868170, 9736340, 19472680, 50142151, 100284302, 200568604, 250710755, 401137208, 501421510, 1002843020, 2005686040]

約数ペア:

[(1, 2005686040), (2, 1002843020), (4, 501421510), (5, 401137208), (8, 250710755), (10, 200568604), (20, 100284302), (40, 50142151), (103, 19472680), (206, 9736340), (412, 4868170), (515, 3894536), (824, 2434085), (1030, 1947268), (2060, 973634), (4120, 486817)]