6659440

素因数分解:

$2^4\times 5^1\times {\mathrm{83243}}^1$

素因数の和:83256

約数の個数: 20

約数和(自身を含む): 15483384

約数和(自身を除く): 8823944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83243, 166486, 332972, 416215, 665944, 832430, 1331888, 1664860, 3329720, 6659440]

約数ペア:

[(1, 6659440), (2, 3329720), (4, 1664860), (5, 1331888), (8, 832430), (10, 665944), (16, 416215), (20, 332972), (40, 166486), (80, 83243)]