1330780037420

素因数分解:

$2^2\times 5^1\times {\mathrm{66539001871}}^1$

素因数の和:66539001880

約数の個数: 12

約数和(自身を含む): 2794638078624

約数和(自身を除く): 1463858041204

約数列:

[1, 2, 4, 5, 10, 20, 66539001871, 133078003742, 266156007484, 332695009355, 665390018710, 1330780037420]

約数ペア:

[(1, 1330780037420), (2, 665390018710), (4, 332695009355), (5, 266156007484), (10, 133078003742), (20, 66539001871)]