2040300400

素因数分解:

$2^4\times 5^2\times {\mathrm{5100751}}^1$

素因数の和:5100769

約数の個数: 30

約数和(自身を含む): 4901822672

約数和(自身を除く): 2861522272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5100751, 10201502, 20403004, 25503755, 40806008, 51007510, 81612016, 102015020, 127518775, 204030040, 255037550, 408060080, 510075100, 1020150200, 2040300400]

約数ペア:

[(1, 2040300400), (2, 1020150200), (4, 510075100), (5, 408060080), (8, 255037550), (10, 204030040), (16, 127518775), (20, 102015020), (25, 81612016), (40, 51007510), (50, 40806008), (80, 25503755), (100, 20403004), (200, 10201502), (400, 5100751)]