12686920

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{10937}}^1$

素因数の和:10977

約数の個数: 32

約数和(自身を含む): 29532600

約数和(自身を除く): 16845680

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 10937, 21874, 43748, 54685, 87496, 109370, 218740, 317173, 437480, 634346, 1268692, 1585865, 2537384, 3171730, 6343460, 12686920]

約数ペア:

[(1, 12686920), (2, 6343460), (4, 3171730), (5, 2537384), (8, 1585865), (10, 1268692), (20, 634346), (29, 437480), (40, 317173), (58, 218740), (116, 109370), (145, 87496), (232, 54685), (290, 43748), (580, 21874), (1160, 10937)]