130143280

素因数分解:

$2^4\times 5^1\times {\mathrm{1626791}}^1$

素因数の和:1626804

約数の個数: 20

約数和(自身を含む): 302583312

約数和(自身を除く): 172440032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1626791, 3253582, 6507164, 8133955, 13014328, 16267910, 26028656, 32535820, 65071640, 130143280]

約数ペア:

[(1, 130143280), (2, 65071640), (4, 32535820), (5, 26028656), (8, 16267910), (10, 13014328), (16, 8133955), (20, 6507164), (40, 3253582), (80, 1626791)]