12125380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8539}}^1$

素因数の和:8619

約数の個数: 24

約数和(自身を含む): 25824960

約数和(自身を除く): 13699580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8539, 17078, 34156, 42695, 85390, 170780, 606269, 1212538, 2425076, 3031345, 6062690, 12125380]

約数ペア:

[(1, 12125380), (2, 6062690), (4, 3031345), (5, 2425076), (10, 1212538), (20, 606269), (71, 170780), (142, 85390), (284, 42695), (355, 34156), (710, 17078), (1420, 8539)]