16505240

素因数分解:

$2^3\times 5^1\times {\mathrm{449}}^1\times {\mathrm{919}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 37260000

約数和(自身を除く): 20754760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 449, 898, 919, 1796, 1838, 2245, 3592, 3676, 4490, 4595, 7352, 8980, 9190, 17960, 18380, 36760, 412631, 825262, 1650524, 2063155, 3301048, 4126310, 8252620, 16505240]

約数ペア:

[(1, 16505240), (2, 8252620), (4, 4126310), (5, 3301048), (8, 2063155), (10, 1650524), (20, 825262), (40, 412631), (449, 36760), (898, 18380), (919, 17960), (1796, 9190), (1838, 8980), (2245, 7352), (3592, 4595), (3676, 4490)]