11139640

素因数分解:

$2^3\times 5^1\times {\mathrm{278491}}^1$

素因数の和:278502

約数の個数: 16

約数和(自身を含む): 25064280

約数和(自身を除く): 13924640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 278491, 556982, 1113964, 1392455, 2227928, 2784910, 5569820, 11139640]

約数ペア:

[(1, 11139640), (2, 5569820), (4, 2784910), (5, 2227928), (8, 1392455), (10, 1113964), (20, 556982), (40, 278491)]