1999022840

素因数分解:

$2^3\times 5^1\times {\mathrm{49975571}}^1$

素因数の和:49975582

約数の個数: 16

約数和(自身を含む): 4497801480

約数和(自身を除く): 2498778640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49975571, 99951142, 199902284, 249877855, 399804568, 499755710, 999511420, 1999022840]

約数ペア:

[(1, 1999022840), (2, 999511420), (4, 499755710), (5, 399804568), (8, 249877855), (10, 199902284), (20, 99951142), (40, 49975571)]