11129840

素因数分解:

$2^4\times 5^1\times {\mathrm{139123}}^1$

素因数の和:139136

約数の個数: 20

約数和(自身を含む): 25877064

約数和(自身を除く): 14747224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139123, 278246, 556492, 695615, 1112984, 1391230, 2225968, 2782460, 5564920, 11129840]

約数ペア:

[(1, 11129840), (2, 5564920), (4, 2782460), (5, 2225968), (8, 1391230), (10, 1112984), (16, 695615), (20, 556492), (40, 278246), (80, 139123)]