1285888960

素因数分解:

$2^6\times 5^1\times {\mathrm{4018403}}^1$

素因数の和:4018420

約数の個数: 28

約数和(自身を含む): 3062023848

約数和(自身を除く): 1776134888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 4018403, 8036806, 16073612, 20092015, 32147224, 40184030, 64294448, 80368060, 128588896, 160736120, 257177792, 321472240, 642944480, 1285888960]

約数ペア:

[(1, 1285888960), (2, 642944480), (4, 321472240), (5, 257177792), (8, 160736120), (10, 128588896), (16, 80368060), (20, 64294448), (32, 40184030), (40, 32147224), (64, 20092015), (80, 16073612), (160, 8036806), (320, 4018403)]