2065960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 5216400

約数和(自身を除く): 3150440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 137, 145, 232, 260, 274, 290, 377, 520, 548, 580, 685, 754, 1096, 1160, 1370, 1508, 1781, 1885, 2740, 3016, 3562, 3770, 3973, 5480, 7124, 7540, 7946, 8905, 14248, 15080, 15892, 17810, 19865, 31784, 35620, 39730, 51649, 71240, 79460, 103298, 158920, 206596, 258245, 413192, 516490, 1032980, 2065960]

約数ペア:

[(1, 2065960), (2, 1032980), (4, 516490), (5, 413192), (8, 258245), (10, 206596), (13, 158920), (20, 103298), (26, 79460), (29, 71240), (40, 51649), (52, 39730), (58, 35620), (65, 31784), (104, 19865), (116, 17810), (130, 15892), (137, 15080), (145, 14248), (232, 8905), (260, 7946), (274, 7540), (290, 7124), (377, 5480), (520, 3973), (548, 3770), (580, 3562), (685, 3016), (754, 2740), (1096, 1885), (1160, 1781), (1370, 1508)]