1234840

素因数分解:

$2^3\times 5^1\times {\mathrm{30871}}^1$

素因数の和:30882

約数の個数: 16

約数和(自身を含む): 2778480

約数和(自身を除く): 1543640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 30871, 61742, 123484, 154355, 246968, 308710, 617420, 1234840]

約数ペア:

[(1, 1234840), (2, 617420), (4, 308710), (5, 246968), (8, 154355), (10, 123484), (20, 61742), (40, 30871)]