204030040

素因数分解:

$2^3\times 5^1\times {\mathrm{5100751}}^1$

素因数の和:5100762

約数の個数: 16

約数和(自身を含む): 459067680

約数和(自身を除く): 255037640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5100751, 10201502, 20403004, 25503755, 40806008, 51007510, 102015020, 204030040]

約数ペア:

[(1, 204030040), (2, 102015020), (4, 51007510), (5, 40806008), (8, 25503755), (10, 20403004), (20, 10201502), (40, 5100751)]