129058460

素因数分解:

$2^2\times 5^1\times {\mathrm{1789}}^1\times {\mathrm{3607}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 271249440

約数和(自身を除く): 142190980

約数列:

[1, 2, 4, 5, 10, 20, 1789, 3578, 3607, 7156, 7214, 8945, 14428, 17890, 18035, 35780, 36070, 72140, 6452923, 12905846, 25811692, 32264615, 64529230, 129058460]

約数ペア:

[(1, 129058460), (2, 64529230), (4, 32264615), (5, 25811692), (10, 12905846), (20, 6452923), (1789, 72140), (3578, 36070), (3607, 35780), (7156, 18035), (7214, 17890), (8945, 14428)]