12758380

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15559}}^1$

素因数の和:15609

約数の個数: 24

約数和(自身を含む): 27447840

約数和(自身を除く): 14689460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 15559, 31118, 62236, 77795, 155590, 311180, 637919, 1275838, 2551676, 3189595, 6379190, 12758380]

約数ペア:

[(1, 12758380), (2, 6379190), (4, 3189595), (5, 2551676), (10, 1275838), (20, 637919), (41, 311180), (82, 155590), (164, 77795), (205, 62236), (410, 31118), (820, 15559)]