402017260

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{64633}}^1$

素因数の和:64953

約数の個数: 24

約数和(自身を含む): 846963936

約数和(自身を除く): 444946676

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 64633, 129266, 258532, 323165, 646330, 1292660, 20100863, 40201726, 80403452, 100504315, 201008630, 402017260]

約数ペア:

[(1, 402017260), (2, 201008630), (4, 100504315), (5, 80403452), (10, 40201726), (20, 20100863), (311, 1292660), (622, 646330), (1244, 323165), (1555, 258532), (3110, 129266), (6220, 64633)]