28928750

素因数分解:

$2^1\times 5^4\times {\mathrm{23143}}^1$

素因数の和:23165

約数の個数: 20

約数和(自身を含む): 54226392

約数和(自身を除く): 25297642

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 625, 1250, 23143, 46286, 115715, 231430, 578575, 1157150, 2892875, 5785750, 14464375, 28928750]

約数ペア:

[(1, 28928750), (2, 14464375), (5, 5785750), (10, 2892875), (25, 1157150), (50, 578575), (125, 231430), (250, 115715), (625, 46286), (1250, 23143)]