788966020

素因数分解:

$2^2\times 5^1\times {\mathrm{39448301}}^1$

素因数の和:39448310

約数の個数: 12

約数和(自身を含む): 1656828684

約数和(自身を除く): 867862664

約数列:

[1, 2, 4, 5, 10, 20, 39448301, 78896602, 157793204, 197241505, 394483010, 788966020]

約数ペア:

[(1, 788966020), (2, 394483010), (4, 197241505), (5, 157793204), (10, 78896602), (20, 39448301)]