1330385020

素因数分解:

$2^2\times 5^1\times {\mathrm{66519251}}^1$

素因数の和:66519260

約数の個数: 12

約数和(自身を含む): 2793808584

約数和(自身を除く): 1463423564

約数列:

[1, 2, 4, 5, 10, 20, 66519251, 133038502, 266077004, 332596255, 665192510, 1330385020]

約数ペア:

[(1, 1330385020), (2, 665192510), (4, 332596255), (5, 266077004), (10, 133038502), (20, 66519251)]