20101040

素因数分解:

$2^4\times 5^1\times {\mathrm{251263}}^1$

素因数の和:251276

約数の個数: 20

約数和(自身を含む): 46735104

約数和(自身を除く): 26634064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251263, 502526, 1005052, 1256315, 2010104, 2512630, 4020208, 5025260, 10050520, 20101040]

約数ペア:

[(1, 20101040), (2, 10050520), (4, 5025260), (5, 4020208), (8, 2512630), (10, 2010104), (16, 1256315), (20, 1005052), (40, 502526), (80, 251263)]