20199582650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{161017}}^1$

素因数の和:161235

約数の個数: 48

約数和(自身を含む): 40671214584

約数和(自身を除く): 20471631934

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 193, 325, 386, 650, 965, 1930, 2509, 4825, 5018, 9650, 12545, 25090, 62725, 125450, 161017, 322034, 805085, 1610170, 2093221, 4025425, 4186442, 8050850, 10466105, 20932210, 31076281, 52330525, 62152562, 104661050, 155381405, 310762810, 403991653, 776907025, 807983306, 1553814050, 2019958265, 4039916530, 10099791325, 20199582650]

約数ペア:

[(1, 20199582650), (2, 10099791325), (5, 4039916530), (10, 2019958265), (13, 1553814050), (25, 807983306), (26, 776907025), (50, 403991653), (65, 310762810), (130, 155381405), (193, 104661050), (325, 62152562), (386, 52330525), (650, 31076281), (965, 20932210), (1930, 10466105), (2509, 8050850), (4825, 4186442), (5018, 4025425), (9650, 2093221), (12545, 1610170), (25090, 805085), (62725, 322034), (125450, 161017)]