126757720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{44633}}^1$

素因数の和:44715

約数の個数: 32

約数和(自身を含む): 289228320

約数和(自身を除く): 162470600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 44633, 89266, 178532, 223165, 357064, 446330, 892660, 1785320, 3168943, 6337886, 12675772, 15844715, 25351544, 31689430, 63378860, 126757720]

約数ペア:

[(1, 126757720), (2, 63378860), (4, 31689430), (5, 25351544), (8, 15844715), (10, 12675772), (20, 6337886), (40, 3168943), (71, 1785320), (142, 892660), (284, 446330), (355, 357064), (568, 223165), (710, 178532), (1420, 89266), (2840, 44633)]