28091600

素因数分解:

$2^4\times 5^2\times {\mathrm{70229}}^1$

素因数の和:70247

約数の個数: 30

約数和(自身を含む): 67491030

約数和(自身を除く): 39399430

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 70229, 140458, 280916, 351145, 561832, 702290, 1123664, 1404580, 1755725, 2809160, 3511450, 5618320, 7022900, 14045800, 28091600]

約数ペア:

[(1, 28091600), (2, 14045800), (4, 7022900), (5, 5618320), (8, 3511450), (10, 2809160), (16, 1755725), (20, 1404580), (25, 1123664), (40, 702290), (50, 561832), (80, 351145), (100, 280916), (200, 140458), (400, 70229)]