80825030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1949}}^1$

素因数の和:2009

約数の個数: 64

約数和(自身を含む): 176904000

約数和(自身を除く): 96078970

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 29, 55, 58, 65, 110, 130, 143, 145, 286, 290, 319, 377, 638, 715, 754, 1430, 1595, 1885, 1949, 3190, 3770, 3898, 4147, 8294, 9745, 19490, 20735, 21439, 25337, 41470, 42878, 50674, 56521, 107195, 113042, 126685, 214390, 253370, 278707, 282605, 557414, 565210, 621731, 734773, 1243462, 1393535, 1469546, 2787070, 3108655, 3673865, 6217310, 7347730, 8082503, 16165006, 40412515, 80825030]

約数ペア:

[(1, 80825030), (2, 40412515), (5, 16165006), (10, 8082503), (11, 7347730), (13, 6217310), (22, 3673865), (26, 3108655), (29, 2787070), (55, 1469546), (58, 1393535), (65, 1243462), (110, 734773), (130, 621731), (143, 565210), (145, 557414), (286, 282605), (290, 278707), (319, 253370), (377, 214390), (638, 126685), (715, 113042), (754, 107195), (1430, 56521), (1595, 50674), (1885, 42878), (1949, 41470), (3190, 25337), (3770, 21439), (3898, 20735), (4147, 19490), (8294, 9745)]