10278640

素因数分解:

$2^4\times 5^1\times {\mathrm{128483}}^1$

素因数の和:128496

約数の個数: 20

約数和(自身を含む): 23898024

約数和(自身を除く): 13619384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 128483, 256966, 513932, 642415, 1027864, 1284830, 2055728, 2569660, 5139320, 10278640]

約数ペア:

[(1, 10278640), (2, 5139320), (4, 2569660), (5, 2055728), (8, 1284830), (10, 1027864), (16, 642415), (20, 513932), (40, 256966), (80, 128483)]