9994840

素因数分解:

$2^3\times 5^1\times {\mathrm{249871}}^1$

素因数の和:249882

約数の個数: 16

約数和(自身を含む): 22488480

約数和(自身を除く): 12493640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 249871, 499742, 999484, 1249355, 1998968, 2498710, 4997420, 9994840]

約数ペア:

[(1, 9994840), (2, 4997420), (4, 2498710), (5, 1998968), (8, 1249355), (10, 999484), (20, 499742), (40, 249871)]