130310020

素因数分解:

$2^2\times 5^1\times {\mathrm{6515501}}^1$

素因数の和:6515510

約数の個数: 12

約数和(自身を含む): 273651084

約数和(自身を除く): 143341064

約数列:

[1, 2, 4, 5, 10, 20, 6515501, 13031002, 26062004, 32577505, 65155010, 130310020]

約数ペア:

[(1, 130310020), (2, 65155010), (4, 32577505), (5, 26062004), (10, 13031002), (20, 6515501)]