28756750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{10457}}^1$

素因数の和:10485

約数の個数: 32

約数和(自身を含む): 58732128

約数和(自身を除く): 29975378

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 10457, 20914, 52285, 104570, 115027, 230054, 261425, 522850, 575135, 1150270, 1307125, 2614250, 2875675, 5751350, 14378375, 28756750]

約数ペア:

[(1, 28756750), (2, 14378375), (5, 5751350), (10, 2875675), (11, 2614250), (22, 1307125), (25, 1150270), (50, 575135), (55, 522850), (110, 261425), (125, 230054), (250, 115027), (275, 104570), (550, 52285), (1375, 20914), (2750, 10457)]