99681040

素因数分解:

$2^4\times 5^1\times {\mathrm{1246013}}^1$

素因数の和:1246026

約数の個数: 20

約数和(自身を含む): 231758604

約数和(自身を除く): 132077564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1246013, 2492026, 4984052, 6230065, 9968104, 12460130, 19936208, 24920260, 49840520, 99681040]

約数ペア:

[(1, 99681040), (2, 49840520), (4, 24920260), (5, 19936208), (8, 12460130), (10, 9968104), (16, 6230065), (20, 4984052), (40, 2492026), (80, 1246013)]