1284560

素因数分解:

$2^4\times 5^1\times {\mathrm{16057}}^1$

素因数の和:16070

約数の個数: 20

約数和(自身を含む): 2986788

約数和(自身を除く): 1702228

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16057, 32114, 64228, 80285, 128456, 160570, 256912, 321140, 642280, 1284560]

約数ペア:

[(1, 1284560), (2, 642280), (4, 321140), (5, 256912), (8, 160570), (10, 128456), (16, 80285), (20, 64228), (40, 32114), (80, 16057)]