2500720

素因数分解:

$2^4\times 5^1\times {\mathrm{31259}}^1$

素因数の和:31272

約数の個数: 20

約数和(自身を含む): 5814360

約数和(自身を除く): 3313640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31259, 62518, 125036, 156295, 250072, 312590, 500144, 625180, 1250360, 2500720]

約数ペア:

[(1, 2500720), (2, 1250360), (4, 625180), (5, 500144), (8, 312590), (10, 250072), (16, 156295), (20, 125036), (40, 62518), (80, 31259)]