129441020

素因数分解:

$2^2\times 5^1\times {\mathrm{433}}^1\times {\mathrm{14947}}^1$

素因数の和:15389

約数の個数: 24

約数和(自身を含む): 272472144

約数和(自身を除く): 143031124

約数列:

[1, 2, 4, 5, 10, 20, 433, 866, 1732, 2165, 4330, 8660, 14947, 29894, 59788, 74735, 149470, 298940, 6472051, 12944102, 25888204, 32360255, 64720510, 129441020]

約数ペア:

[(1, 129441020), (2, 64720510), (4, 32360255), (5, 25888204), (10, 12944102), (20, 6472051), (433, 298940), (866, 149470), (1732, 74735), (2165, 59788), (4330, 29894), (8660, 14947)]