66801040

素因数分解:

$2^4\times 5^1\times {\mathrm{835013}}^1$

素因数の和:835026

約数の個数: 20

約数和(自身を含む): 155312604

約数和(自身を除く): 88511564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 835013, 1670026, 3340052, 4175065, 6680104, 8350130, 13360208, 16700260, 33400520, 66801040]

約数ペア:

[(1, 66801040), (2, 33400520), (4, 16700260), (5, 13360208), (8, 8350130), (10, 6680104), (16, 4175065), (20, 3340052), (40, 1670026), (80, 835013)]