1330821640

素因数分解:

$2^3\times 5^1\times {\mathrm{33270541}}^1$

素因数の和:33270552

約数の個数: 16

約数和(自身を含む): 2994348780

約数和(自身を除く): 1663527140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 33270541, 66541082, 133082164, 166352705, 266164328, 332705410, 665410820, 1330821640]

約数ペア:

[(1, 1330821640), (2, 665410820), (4, 332705410), (5, 266164328), (8, 166352705), (10, 133082164), (20, 66541082), (40, 33270541)]