3953527420

素因数分解:

$2^2\times 5^1\times {\mathrm{197676371}}^1$

素因数の和:197676380

約数の個数: 12

約数和(自身を含む): 8302407624

約数和(自身を除く): 4348880204

約数列:

[1, 2, 4, 5, 10, 20, 197676371, 395352742, 790705484, 988381855, 1976763710, 3953527420]

約数ペア:

[(1, 3953527420), (2, 1976763710), (4, 988381855), (5, 790705484), (10, 395352742), (20, 197676371)]