9491960

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{661}}^1$

素因数の和:1031

約数の個数: 32

約数和(自身を含む): 21448800

約数和(自身を除く): 11956840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 661, 718, 1322, 1436, 1795, 2644, 2872, 3305, 3590, 5288, 6610, 7180, 13220, 14360, 26440, 237299, 474598, 949196, 1186495, 1898392, 2372990, 4745980, 9491960]

約数ペア:

[(1, 9491960), (2, 4745980), (4, 2372990), (5, 1898392), (8, 1186495), (10, 949196), (20, 474598), (40, 237299), (359, 26440), (661, 14360), (718, 13220), (1322, 7180), (1436, 6610), (1795, 5288), (2644, 3590), (2872, 3305)]