87850760

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21323}}^1$

素因数の和:21437

約数の個数: 32

約数和(自身を含む): 199592640

約数和(自身を除く): 111741880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21323, 42646, 85292, 106615, 170584, 213230, 426460, 852920, 2196269, 4392538, 8785076, 10981345, 17570152, 21962690, 43925380, 87850760]

約数ペア:

[(1, 87850760), (2, 43925380), (4, 21962690), (5, 17570152), (8, 10981345), (10, 8785076), (20, 4392538), (40, 2196269), (103, 852920), (206, 426460), (412, 213230), (515, 170584), (824, 106615), (1030, 85292), (2060, 42646), (4120, 21323)]