11854840

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2719}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 26928000

約数和(自身を除く): 15073160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 2719, 4360, 5438, 10876, 13595, 21752, 27190, 54380, 108760, 296371, 592742, 1185484, 1481855, 2370968, 2963710, 5927420, 11854840]

約数ペア:

[(1, 11854840), (2, 5927420), (4, 2963710), (5, 2370968), (8, 1481855), (10, 1185484), (20, 592742), (40, 296371), (109, 108760), (218, 54380), (436, 27190), (545, 21752), (872, 13595), (1090, 10876), (2180, 5438), (2719, 4360)]