20080240

素因数分解:

$2^4\times 5^1\times {\mathrm{251003}}^1$

素因数の和:251016

約数の個数: 20

約数和(自身を含む): 46686744

約数和(自身を除く): 26606504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251003, 502006, 1004012, 1255015, 2008024, 2510030, 4016048, 5020060, 10040120, 20080240]

約数ペア:

[(1, 20080240), (2, 10040120), (4, 5020060), (5, 4016048), (8, 2510030), (10, 2008024), (16, 1255015), (20, 1004012), (40, 502006), (80, 251003)]