28265920

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4649}}^1$

素因数の和:4685

約数の個数: 56

約数和(自身を含む): 70866000

約数和(自身を除く): 42600080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 4649, 6080, 9298, 18596, 23245, 37192, 46490, 74384, 88331, 92980, 148768, 176662, 185960, 297536, 353324, 371920, 441655, 706648, 743840, 883310, 1413296, 1487680, 1766620, 2826592, 3533240, 5653184, 7066480, 14132960, 28265920]

約数ペア:

[(1, 28265920), (2, 14132960), (4, 7066480), (5, 5653184), (8, 3533240), (10, 2826592), (16, 1766620), (19, 1487680), (20, 1413296), (32, 883310), (38, 743840), (40, 706648), (64, 441655), (76, 371920), (80, 353324), (95, 297536), (152, 185960), (160, 176662), (190, 148768), (304, 92980), (320, 88331), (380, 74384), (608, 46490), (760, 37192), (1216, 23245), (1520, 18596), (3040, 9298), (4649, 6080)]